diff --git a/polymer/eduke32/source/config.c b/polymer/eduke32/source/config.c
index b1df4eb6a..d66bc3efb 100644
--- a/polymer/eduke32/source/config.c
+++ b/polymer/eduke32/source/config.c
@@ -801,7 +801,7 @@ void CONFIG_WriteSetup(uint32_t flags)
     SCRIPT_PutNumber(ud.config.scripthandle, "Screen Setup", "ScreenMode",ud.config.ScreenMode,FALSE,FALSE);    // JBF 20031206
     SCRIPT_PutNumber(ud.config.scripthandle, "Screen Setup", "ScreenWidth",ud.config.ScreenWidth,FALSE,FALSE);  // JBF 20031206
 
-    if (g_grpNamePtr)
+    if (g_grpNamePtr && !g_usingAddon)
         SCRIPT_PutString(ud.config.scripthandle, "Setup","SelectedGRP",g_grpNamePtr);
 
     // XXX: should be "if compiled without startup GUI"