diff --git a/panda/src/glstuff/glGraphicsStateGuardian_src.cxx b/panda/src/glstuff/glGraphicsStateGuardian_src.cxx
index 2786de98d5..9ddcc81c16 100644
--- a/panda/src/glstuff/glGraphicsStateGuardian_src.cxx
+++ b/panda/src/glstuff/glGraphicsStateGuardian_src.cxx
@@ -1548,6 +1548,7 @@ prepare_display_region(DisplayRegionPipelineReader *dr,
 ////////////////////////////////////////////////////////////////////
 void CLP(GraphicsStateGuardian)::
 clear_before_callback() {
+  disable_standard_vertex_arrays();
   unbind_buffers();
 }