Index: game.py
===================================================================
--- game.py	(revision c56629f77aa414be36fba7d0e273d3bb71ca1976)
+++ game.py	(revision 010086ba566a0341f5ef36793d4fe763ca883028)
@@ -16,5 +16,5 @@
    glPushAttrib(GL_ALL_ATTRIB_BITS)
    render3d(surface)
-   glPopAttrib(GL_ALL_ATTRIB_BITS)
+   glPopAttrib()
 
    if showOverlay:
@@ -23,5 +23,5 @@
       glPushAttrib(GL_ALL_ATTRIB_BITS)
       projectOverlay(surface, overlay)
-      glPopAttrib(GL_ALL_ATTRIB_BITS)
+      glPopAttrib()