diff --git a/src/Foundation/ContainerUtil.php b/src/Foundation/ContainerUtil.php
index 1c5b95972..acc571bd5 100644
--- a/src/Foundation/ContainerUtil.php
+++ b/src/Foundation/ContainerUtil.php
@@ -18,12 +18,12 @@ class ContainerUtil
      *
      * @internal Backwards compatability not guaranteed.
      *
-     * @param callable|string $callback: A callable, or a ::class attribute of an invokable class
+     * @param callable|string $callback: A callable, global function, or a ::class attribute of an invokable class
      * @param Container $container
      */
     public static function wrapCallback($callback, Container $container)
     {
-        if (is_string($callback)) {
+        if (is_string($callback) && ! is_callable($callback)) {
             $callback = function (&...$args) use ($container, $callback) {
                 $callback = $container->make($callback);
 
diff --git a/tests/unit/Foundation/ContainerUtilTest.php b/tests/unit/Foundation/ContainerUtilTest.php
index 96723ecb4..3630b204f 100644
--- a/tests/unit/Foundation/ContainerUtilTest.php
+++ b/tests/unit/Foundation/ContainerUtilTest.php
@@ -74,6 +74,26 @@ class ContainerUtilTest extends TestCase
         $this->assertEquals('return5', $return);
     }
 
+    /** @test */
+    public function it_works_with_global_functions()
+    {
+        $callback = ContainerUtil::wrapCallback('boolval', $this->container);
+
+        $this->assertEquals(true, $callback(true));
+        $this->assertEquals(true, $callback(1));
+        $this->assertEquals(true, $callback('1'));
+        $this->assertEquals(false, $callback(0));
+        $this->assertEquals(false, $callback(false));
+    }
+
+    /** @test */
+    public function it_works_with_static_class_method_arrays()
+    {
+        $callback = ContainerUtil::wrapCallback([ClassWithMethod::class, 'staticMethod'], $this->container);
+
+        $this->assertEquals('returnStatic', $callback());
+    }
+
     /** @test */
     public function it_allows_passing_args_by_reference_on_closures()
     {
@@ -141,3 +161,11 @@ class SecondCustomInvokableClass
         return 'return4';
     }
 }
+
+class ClassWithMethod
+{
+    public static function staticMethod()
+    {
+        return 'returnStatic';
+    }
+}