diff --git a/library/Zend/Code/Generator/ParameterGenerator.php b/library/Zend/Code/Generator/ParameterGenerator.php
index 52cf981ddd8..f32f191f976 100644
--- a/library/Zend/Code/Generator/ParameterGenerator.php
+++ b/library/Zend/Code/Generator/ParameterGenerator.php
@@ -56,6 +56,8 @@ public static function fromReflection(ParameterReflection $reflectionParameter)
 
         if ($reflectionParameter->isArray()) {
             $param->setType('array');
+        } elseif (method_exists($reflectionParameter, 'isCallable') && $reflectionParameter->isCallable()) {
+            $param->setType('callable');
         } else {
             $typeClass = $reflectionParameter->getClass();
             if ($typeClass) {
diff --git a/library/Zend/Code/Reflection/ParameterReflection.php b/library/Zend/Code/Reflection/ParameterReflection.php
index 298ed45e36e..4b8b067f314 100644
--- a/library/Zend/Code/Reflection/ParameterReflection.php
+++ b/library/Zend/Code/Reflection/ParameterReflection.php
@@ -77,6 +77,8 @@ public function getType()
     {
         if ($this->isArray()) {
             return 'array';
+        } elseif (method_exists($this, 'isCallable') && $this->isCallable()) {
+            return 'callable';
         }
 
         if (($class = $this->getClass()) instanceof \ReflectionClass) {