diff --git a/panda/src/framework/pandaFramework.cxx b/panda/src/framework/pandaFramework.cxx
index 4dc8ce57f5..7ab904d861 100644
--- a/panda/src/framework/pandaFramework.cxx
+++ b/panda/src/framework/pandaFramework.cxx
@@ -53,6 +53,7 @@ PandaFramework() :
   _texture_enabled = true;
   _two_sided_enabled = false;
   _lighting_enabled = false;
+  _perpixel_enabled = false;
   _background_type = WindowFramework::BT_default;
   _default_keys_enabled = false;
   _exit_flag = false;