diff --git a/src/usercmd.c b/src/usercmd.c
index 40d951f..0e9d712 100644
--- a/src/usercmd.c
+++ b/src/usercmd.c
@@ -93,6 +93,7 @@
     {EXPAND_USER_VARS, "var"},
 #if defined(FEAT_EVAL)
     {EXPAND_BREAKPOINT, "breakpoint"},
+    {EXPAND_SCRIPTNAMES, "scriptnames"},
 #endif
     {0, NULL}
 };