diff --git a/Slim/CallableResolver.php b/Slim/CallableResolver.php
index f2c5fe4cd..c1c351276 100644
--- a/Slim/CallableResolver.php
+++ b/Slim/CallableResolver.php
@@ -51,6 +51,7 @@ public function __construct(?ContainerInterface $container = null)
      */
     public function resolve($toResolve): callable
     {
+        $toResolve = $this->prepareToResolve($toResolve);
         if (is_callable($toResolve)) {
             return $this->bindToContainer($toResolve);
         }
@@ -90,6 +91,7 @@ public function resolveMiddleware($toResolve): callable
      */
     private function resolveByPredicate($toResolve, callable $predicate, string $defaultMethod): callable
     {
+        $toResolve = $this->prepareToResolve($toResolve);
         if (is_callable($toResolve)) {
             return $this->bindToContainer($toResolve);
         }
@@ -144,6 +146,9 @@ private function resolveSlimNotation(string $toResolve): array
             $instance = $this->container->get($class);
         } else {
             if (!class_exists($class)) {
+                if ($method) {
+                    $class .= '::' . $method . '()';
+                }
                 throw new RuntimeException(sprintf('Callable %s does not exist', $class));
             }
             $instance = new $class($this->container);
@@ -187,4 +192,22 @@ private function bindToContainer(callable $callable): callable
         }
         return $callable;
     }
+
+    /**
+     * @param string|callable $toResolve
+     * @return string|callable
+     */
+    private function prepareToResolve($toResolve)
+    {
+        if (!is_array($toResolve)) {
+            return $toResolve;
+        }
+        $candidate = $toResolve;
+        $class = array_shift($candidate);
+        $method = array_shift($candidate);
+        if (is_string($class) && is_string($method)) {
+            return $class . ':' . $method;
+        }
+        return $toResolve;
+    }
 }
diff --git a/tests/CallableResolverTest.php b/tests/CallableResolverTest.php
index 727164c48..27e0823a5 100644
--- a/tests/CallableResolverTest.php
+++ b/tests/CallableResolverTest.php
@@ -133,6 +133,23 @@ public function testSlimCallable()
         $this->assertEquals(3, CallableTest::$CalledCount);
     }
 
+    public function testSlimCallableAsArray()
+    {
+        $resolver = new CallableResolver(); // No container injected
+        $callable = $resolver->resolve([CallableTest::class, 'toCall']);
+        $callableRoute = $resolver->resolveRoute([CallableTest::class, 'toCall']);
+        $callableMiddleware = $resolver->resolveMiddleware([CallableTest::class, 'toCall']);
+
+        $callable();
+        $this->assertEquals(1, CallableTest::$CalledCount);
+
+        $callableRoute();
+        $this->assertEquals(2, CallableTest::$CalledCount);
+
+        $callableMiddleware();
+        $this->assertEquals(3, CallableTest::$CalledCount);
+    }
+
     public function testSlimCallableContainer()
     {
         /** @var ContainerInterface $container */
@@ -150,6 +167,23 @@ public function testSlimCallableContainer()
         $this->assertEquals($container, CallableTest::$CalledContainer);
     }
 
+    public function testSlimCallableAsArrayContainer()
+    {
+        /** @var ContainerInterface $container */
+        $container = $this->containerProphecy->reveal();
+        $resolver = new CallableResolver($container);
+        $resolver->resolve([CallableTest::class, 'toCall']);
+        $this->assertEquals($container, CallableTest::$CalledContainer);
+
+        CallableTest::$CalledContainer = null;
+        $resolver->resolveRoute([CallableTest::class, 'toCall']);
+        $this->assertEquals($container, CallableTest::$CalledContainer);
+
+        CallableTest::$CalledContainer = null;
+        $resolver->resolveMiddleware([CallableTest::class ,'toCall']);
+        $this->assertEquals($container, CallableTest::$CalledContainer);
+    }
+
     public function testContainer()
     {
         $this->containerProphecy->has('callable_service')->willReturn(true);
@@ -441,7 +475,7 @@ public function testMiddlewareFunctionNotFoundThrowException()
     public function testClassNotFoundThrowException()
     {
         $this->expectException(RuntimeException::class);
-        $this->expectExceptionMessage('Callable Unknown does not exist');
+        $this->expectExceptionMessage('Callable Unknown::notFound() does not exist');
 
         /** @var ContainerInterface $container */
         $container = $this->containerProphecy->reveal();
@@ -452,7 +486,7 @@ public function testClassNotFoundThrowException()
     public function testRouteClassNotFoundThrowException()
     {
         $this->expectException(RuntimeException::class);
-        $this->expectExceptionMessage('Callable Unknown does not exist');
+        $this->expectExceptionMessage('Callable Unknown::notFound() does not exist');
 
         /** @var ContainerInterface $container */
         $container = $this->containerProphecy->reveal();
@@ -463,7 +497,7 @@ public function testRouteClassNotFoundThrowException()
     public function testMiddlewareClassNotFoundThrowException()
     {
         $this->expectException(RuntimeException::class);
-        $this->expectExceptionMessage('Callable Unknown does not exist');
+        $this->expectExceptionMessage('Callable Unknown::notFound() does not exist');
 
         /** @var ContainerInterface $container */
         $container = $this->containerProphecy->reveal();
@@ -474,7 +508,7 @@ public function testMiddlewareClassNotFoundThrowException()
     public function testCallableClassNotFoundThrowException()
     {
         $this->expectException(RuntimeException::class);
-        $this->expectExceptionMessage('is not resolvable');
+        $this->expectExceptionMessage('Callable Unknown::notFound() does not exist');
 
         /** @var ContainerInterface $container */
         $container = $this->containerProphecy->reveal();
@@ -485,7 +519,7 @@ public function testCallableClassNotFoundThrowException()
     public function testRouteCallableClassNotFoundThrowException()
     {
         $this->expectException(RuntimeException::class);
-        $this->expectExceptionMessage('is not resolvable');
+        $this->expectExceptionMessage('Callable Unknown::notFound() does not exist');
 
         /** @var ContainerInterface $container */
         $container = $this->containerProphecy->reveal();
@@ -496,7 +530,7 @@ public function testRouteCallableClassNotFoundThrowException()
     public function testMiddlewareCallableClassNotFoundThrowException()
     {
         $this->expectException(RuntimeException::class);
-        $this->expectExceptionMessage('is not resolvable');
+        $this->expectExceptionMessage('Callable Unknown::notFound() does not exist');
 
         /** @var ContainerInterface $container */
         $container = $this->containerProphecy->reveal();