diff --git a/polymer/eduke32/source/gamevars.c b/polymer/eduke32/source/gamevars.c
index 48598929f..5473c3836 100644
--- a/polymer/eduke32/source/gamevars.c
+++ b/polymer/eduke32/source/gamevars.c
@@ -73,7 +73,7 @@ static void Gv_Clear(void)
         aGameVars[i].szLabel=NULL;
         aGameVars[i].dwFlags=0;
 
-        if (aGameVars[i].val.plValues)
+        if (aGameVars[i].dwFlags & (GAMEVAR_USER_MASK) && aGameVars[i].val.plValues)
         {
             Bfree(aGameVars[i].val.plValues);
             aGameVars[i].val.plValues=NULL;