diff --git a/panda/src/glxdisplay/glxGraphicsStateGuardian.cxx b/panda/src/glxdisplay/glxGraphicsStateGuardian.cxx
index a0919b3a00..081625d4b8 100644
--- a/panda/src/glxdisplay/glxGraphicsStateGuardian.cxx
+++ b/panda/src/glxdisplay/glxGraphicsStateGuardian.cxx
@@ -538,6 +538,9 @@ glx_is_at_least_version(int major_version, int minor_version) const {
   if (_glx_version_major < major_version) {
     return false;
   }
+  if (_glx_version_major > major_version) {
+    return true;
+  }
   if (_glx_version_minor < minor_version) {
     return false;
   }