diff --git a/src/finder.cpp b/src/finder.cpp
index 603578e645..30b228ecda 100644
--- a/src/finder.cpp
+++ b/src/finder.cpp
@@ -467,9 +467,9 @@ class BuiltinElement: public JarElement {
   }
 
   virtual void dispose() {
-    JarElement::dispose();
     library->disposeAll();
     free(s, libraryName, libraryNameLength + 1);
+    JarElement::dispose();
   }
 
   System::Library* library;