diff --git a/composer.json b/composer.json
index c8068ee4..475f1de7 100644
--- a/composer.json
+++ b/composer.json
@@ -39,7 +39,8 @@
     "require-dev": {
         "phpunit/phpunit": "^4.8.36 || ^5.7.27 || ^6.5.14",
         "sebastian/comparator": ">=1.2.3",
-        "squizlabs/php_codesniffer": "^3.5"
+        "squizlabs/php_codesniffer": "^3.5",
+        "symfony/dom-crawler": "^3.0 || ^4.0 || ^5.0"
     },
     "bin": [
         "bin/phpmetrics"
diff --git a/templates/html_report/complexity.php b/templates/html_report/complexity.php
index 30f27246..8eeb41dd 100644
--- a/templates/html_report/complexity.php
+++ b/templates/html_report/complexity.php
@@ -59,13 +59,14 @@
                         <th class="js-sort-number">WMC</th>
                         <th class="js-sort-number">Class cycl.</th>
                         <th class="js-sort-number">Max method cycl.</th>
+                        <th class="js-sort-number">Relative system complexity</th>
                         <th class="js-sort-number">Relative data complexity</th>
                         <th class="js-sort-number">Relative structural complexity</th>
                         <th class="js-sort-number">Bugs</th>
                         <th class="js-sort-number">Defects</th>
                         <?php if ($config->has('junit')) { ?>
                             <th class="js-sort-number">Unit testsuites calling it</th>
-                        <?php } ?><th class="js-sort-number">Relative system complexity</th>
+                        <?php } ?>
                     </tr>
                     </thead>
                     <?php
@@ -74,7 +75,7 @@
                             <td><span class="path"><?php echo $class['name']; ?></span></td>
                             <?php foreach (['wmc', 'ccn', 'ccnMethodMax', 'relativeSystemComplexity', 'relativeDataComplexity', 'relativeStructuralComplexity', 'bugs', 'kanDefect'] as $attribute) {?>
                                 <td>
-                                    <span class="badge" <?php echo gradientStyleFor($classes, $attribute, $class[$attribute]);?>);">
+                                    <span class="badge" <?php echo gradientStyleFor($classes, $attribute, $class[$attribute]);?>>
                                     <?php echo isset($class[$attribute]) ? $class[$attribute] : ''; ?>
                                     </span>
                                 </td>
diff --git a/templates/html_report/coupling.php b/templates/html_report/coupling.php
index 948165d2..9c21d77f 100644
--- a/templates/html_report/coupling.php
+++ b/templates/html_report/coupling.php
@@ -26,7 +26,7 @@
                         <td><span class="path"><?php echo $class['name']; ?></span></td>
                         <?php foreach (['afferentCoupling', 'efferentCoupling', 'instability', 'pageRank'] as $attribute) {?>
                             <td>
-                                <span class="badge" <?php echo gradientStyleFor($classes, $attribute, $class[$attribute]);?>);">
+                                <span class="badge" <?php echo gradientStyleFor($classes, $attribute, $class[$attribute]);?>>
                                 <?php echo isset($class[$attribute]) ? $class[$attribute] : ''; ?>
                                 </span>
                             </td>
diff --git a/templates/html_report/index.php b/templates/html_report/index.php
index bb906037..c7dd6c59 100644
--- a/templates/html_report/index.php
+++ b/templates/html_report/index.php
@@ -147,7 +147,7 @@
                             foreach ($classesS as $class) { ?>
                                 <tr>
                                     <td>
-                                        <span class="badge" <?php echo gradientStyleFor($classes, 'pageRank', $class['pageRank']);?>);">
+                                        <span class="badge" <?php echo gradientStyleFor($classes, 'pageRank', $class['pageRank']);?>>
                                         <?php echo $class['pageRank']; ?>
                                     </td>
                                     </td>
diff --git a/templates/html_report/junit.php b/templates/html_report/junit.php
index 52f33545..f54aa2e7 100644
--- a/templates/html_report/junit.php
+++ b/templates/html_report/junit.php
@@ -82,7 +82,7 @@ classes never called by tests
                                 <td><span class="path"><?php echo $class['name']; ?></span></td>
                                 <?php foreach (['ccn', 'bugs'] as $attribute) {?>
                                     <td>
-                                        <span class="badge" <?php echo gradientStyleFor($classes, $attribute, $class[$attribute]);?>);">
+                                        <span class="badge" <?php echo gradientStyleFor($classes, $attribute, $class[$attribute]);?>>
                                         <?php echo isset($class[$attribute]) ? $class[$attribute] : ''; ?>
                                         </span>
                                     </td>
diff --git a/templates/html_report/loc.php b/templates/html_report/loc.php
index e8b0093b..e860bae3 100644
--- a/templates/html_report/loc.php
+++ b/templates/html_report/loc.php
@@ -57,7 +57,7 @@
                         <td><span class="path"><?php echo $class['name']; ?></span></td>
                         <?php foreach (['lloc', 'cloc', 'volume', 'intelligentContent', 'commentWeight'] as $attribute) {?>
                             <td>
-                                <span class="badge" <?php echo gradientStyleFor($classes, $attribute, $class[$attribute]);?>);">
+                                <span class="badge" <?php echo gradientStyleFor($classes, $attribute, $class[$attribute]);?>>
                                 <?php echo isset($class[$attribute]) ? $class[$attribute] : ''; ?>
                                 </span>
                             </td>
diff --git a/templates/html_report/oop.php b/templates/html_report/oop.php
index 8c0af93d..5371e0e7 100644
--- a/templates/html_report/oop.php
+++ b/templates/html_report/oop.php
@@ -77,7 +77,7 @@
                             <td><span class="path"><?php echo $class['name']; ?></span></td>
                             <?php foreach (['lcom', 'volume', 'ccn', 'ccnMethodMax', 'bugs', 'difficulty'] as $attribute) {?>
                                 <td>
-                                    <span class="badge" <?php echo gradientStyleFor($classes, $attribute, $class[$attribute]);?>);">
+                                    <span class="badge" <?php echo gradientStyleFor($classes, $attribute, $class[$attribute]);?>>
                                     <?php echo isset($class[$attribute]) ? $class[$attribute] : ''; ?>
                                     </span>
                                 </td>
diff --git a/tests/Report/Html/ComplexityReportRegressionTest.php b/tests/Report/Html/ComplexityReportRegressionTest.php
new file mode 100644
index 00000000..70e58062
--- /dev/null
+++ b/tests/Report/Html/ComplexityReportRegressionTest.php
@@ -0,0 +1,91 @@
+<?php
+
+namespace Test\Hal\Reporter\Html;
+
+use DOMNode;
+use Hal\Application\Config\Config;
+use Hal\Component\Output\TestOutput;
+use Hal\Metric\Group\Group;
+use Hal\Metric\Metrics;
+use Hal\Report\Html\Reporter;
+use PHPUnit\Framework\TestCase;
+use Symfony\Component\DomCrawler\Crawler;
+
+/**
+ * @group reporter
+ * @group html
+ */
+class ComplexityReportRegressionTest extends TestCase
+{
+    /**
+     * @dataProvider tableHeaderDataProvider
+     */
+    public function testComplexityHtmlReportContainsCorrectOrderOfTableColumns($junitEnabled, $expectedTableHeader)
+    {
+        $config = new Config();
+        $output = new TestOutput();
+        $reporter = new Reporter($config, $output);
+
+        // prepares data for report
+        $groups = [];
+        $groups[] = new Group('group', '.*');
+        $config->set('groups', $groups);
+
+        if ($junitEnabled) {
+            $config->set('junit', ['file' => '/tmp/junit.xml']);
+        }
+
+        // prepares destination
+        $destination = implode(DIRECTORY_SEPARATOR, [
+            sys_get_temp_dir(),
+            'phpmetrics-html' . uniqid('', true)
+        ]);
+
+        $config->set('report-html', $destination);
+
+        // generates report
+        $metrics = new Metrics();
+        $reporter->generate($metrics);
+
+        // ensure complexity report contains expected table header columns
+        $content = file_get_contents(sprintf('%s/complexity.html', $destination));
+        $actualTableHeader = $this->getActualTableHeader($content);
+
+        $this->assertEquals($expectedTableHeader, $actualTableHeader);
+    }
+
+    public function tableHeaderDataProvider()
+    {
+        $defaultTableHeader = [
+            'Class',
+            'WMC',
+            'Class cycl.',
+            'Max method cycl.',
+            'Relative system complexity',
+            'Relative data complexity',
+            'Relative structural complexity',
+            'Bugs',
+            'Defects',
+        ];
+
+        $junitTableHeader = array_merge($defaultTableHeader, [
+            'Unit testsuites calling it'
+        ]);
+
+        return [
+            'junit disabled' => [false, $defaultTableHeader],
+            'junit enabled' => [true, $junitTableHeader],
+        ];
+    }
+
+    private function getActualTableHeader($content)
+    {
+        $tableHeaderColumnNodes = (new Crawler($content))
+            ->filterXPath('.//table[contains(concat(" ",normalize-space(@class)," ")," js-sort-table ")]/thead/tr')
+            ->children();
+
+        return array_map(function (DomNode $node) {
+            return $node->textContent;
+        }, iterator_to_array($tableHeaderColumnNodes));
+    }
+}