diff --git a/config/dyngamma.cfg b/config/dyngamma.cfg
index 0f5f957d..68f34a6d 100644
--- a/config/dyngamma.cfg
+++ b/config/dyngamma.cfg
@@ -35,6 +35,6 @@ if (! (checkalias dyngamma)) [ dyngamma = 0 ]
 if (! (checkalias mapstartalways)) [ mapstartalways = [  ] ]
 if (! (strstr $mapstartalways dyngamma)) [
   add2alias mapstartalways [
-    if $dyngamma [ gamma (at $ofc_gamma_list (findlist $defaultmaps (curmap 1))) ]
+    if $dyngamma [ if (strstr $defaultmaps (curmap 1)) [ gamma (at $ofc_gamma_list (findlist $defaultmaps (curmap 1))) ] ]
   ]
 ]
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