diff --git a/src/list.c b/src/list.c
index c51c99b..c93a66d 100644
--- a/src/list.c
+++ b/src/list.c
@@ -1311,7 +1311,7 @@
 	{
 	    if (vim9script && !IS_WHITE_OR_NUL((*arg)[1]) && (*arg)[1] != ']')
 	    {
-		semsg(_(e_white_space_required_after_str), ",");
+		semsg(_(e_white_space_required_after_str_str), ",", *arg);
 		goto failret;
 	    }
 	    *arg = skipwhite(*arg + 1);