diff --git a/panda/src/gsgbase/graphicsStateGuardianBase.cxx b/panda/src/gsgbase/graphicsStateGuardianBase.cxx
index 0c42a8e819..0cd0ffb5b0 100644
--- a/panda/src/gsgbase/graphicsStateGuardianBase.cxx
+++ b/panda/src/gsgbase/graphicsStateGuardianBase.cxx
@@ -102,7 +102,7 @@ remove_gsg(GraphicsStateGuardianBase *gsg) {
   _gsgs.erase(gi);
 
   if (_default_gsg == gsg) {
-    if (_gsgs.empty()) {
+    if (!_gsgs.empty()) {
       _default_gsg = *_gsgs.begin();
     } else {
       _default_gsg = NULL;