diff --git a/src/Php/Preprocessor.php b/src/Php/Preprocessor.php
index 0a57dd6e..51f06075 100644
--- a/src/Php/Preprocessor.php
+++ b/src/Php/Preprocessor.php
@@ -10,6 +10,7 @@ namespace PhpAot\Php;
 
 use PhpAot\Php\Exception\SyntaxError;
 use PhpParser\Node;
+use PhpParser\NodeAbstract;
 use PhpParser\NodeFinder;
 use PhpParser\NodeTraverser;
 
@@ -167,11 +168,20 @@ class Preprocessor extends CompilerBase
         }
     }
 
+    protected function getParentClass(NodeAbstract $extends): string
+    {
+        if ($extends instanceof Node\Name\FullyQualified) {
+            return $this->parseIdentifier($extends);
+        } else {
+            return $this->getNamespacedClassName($this->parseIdentifier($extends));
+        }
+    }
+
     protected function prepareClass(Node\Stmt\Class_|Node\Stmt\Trait_|Node\Stmt\Enum_ $class): string
     {
         $this->class = $this->parseIdentifier($class->name);
         if ($class->extends) {
-            $this->parentClass = $this->getNamespacedClassName($this->parseIdentifier($class->extends));
+            $this->parentClass = $this->getParentClass($class->extends);
             $fullClassName = $this->getNamespacedClassName($this->class);
             $this->classExtends[$fullClassName] = $this->parentClass;
         }
diff --git a/src/Php/Translator.php b/src/Php/Translator.php
index a4e5da78..17857140 100644
--- a/src/Php/Translator.php
+++ b/src/Php/Translator.php
@@ -818,7 +818,7 @@ class Translator extends Preprocessor
         }
 
         if ($extends) {
-            $this->classDef->extends = $this->getNamespacedClassName($this->parseIdentifier($class->extends));
+            $this->classDef->extends = $this->getParentClass($class->extends);
             if (isset($this->classes[$this->classDef->extends])) {
                 $parent = $this->classes[$this->classDef->extends];
                 if ($parent->flags & Modifiers::FINAL) {