diff --git a/gldefs.keys b/gldefs.keys
index 26478b76f..20b6320de 100644
--- a/gldefs.keys
+++ b/gldefs.keys
@@ -173,11 +173,11 @@ object SWWMRedSkull
 }
 object SWWMBlueSkull
 {
-    frame XZW1 { light SWWMREDKEY }
+    frame XZW1 { light SWWMBLUEKEY }
 }
 object SWWMYellowSkull
 {
-    frame XZW1 { light SWWMREDKEY }
+    frame XZW1 { light SWWMYELLOWKEY }
 }
 
 object SWWMKeyGreen
diff --git a/language.version b/language.version
index 0da616397..2fc213650 100644
--- a/language.version
+++ b/language.version
@@ -1,2 +1,2 @@
 [default]
-SWWM_MODVER="\chSWWM \czGZ\c- \cw0.9.11b-pre r639 \cu(Wed 25 Nov 18:08:35 CET 2020)";
+SWWM_MODVER="\chSWWM \czGZ\c- \cw0.9.11b-pre r639 \cu(Wed 25 Nov 20:45:55 CET 2020)";