diff --git a/panda/src/putil/buttonRegistry.h b/panda/src/putil/buttonRegistry.h
index cffec1efec..cb75e7a847 100644
--- a/panda/src/putil/buttonRegistry.h
+++ b/panda/src/putil/buttonRegistry.h
@@ -71,7 +71,7 @@ private:
   typedef pvector<RegistryNode *> HandleRegistry;
   HandleRegistry _handle_registry;
 
-  typedef phash_map<string, RegistryNode *, string_hash> NameRegistry;
+  typedef pmap<string, RegistryNode *> NameRegistry;
   NameRegistry _name_registry;
 
   static ButtonRegistry *_global_pointer;