diff --git a/behaviors/mod-morph.dtsi b/behaviors/mod-morph.dtsi
index 74c0fb2..9d578c0 100644
--- a/behaviors/mod-morph.dtsi
+++ b/behaviors/mod-morph.dtsi
@@ -66,6 +66,6 @@ ZMK_BEHAVIOR(comma_semi, mod_morph,
 
 // tap: period | shift + tap: colon
 ZMK_BEHAVIOR(trem_gr, mod_morph,
-    bindings = <&KPD ACC_TR>, <&KPD ACC_GR>;
+    bindings = <&KPD ACC_TR ERG>, <&KPD ACC_GR ERG>;
     mods = <(MOD_LSFT|MOD_RSFT)>;
 )