diff --git a/src/syntax.c b/src/syntax.c
index 6570e9e..7211da3 100644
--- a/src/syntax.c
+++ b/src/syntax.c
@@ -3670,7 +3670,7 @@
 		id = syn_scl_namen2id(arg + 1, (int)(arg_end - arg - 1));
 		if (id == 0)
 		{
-		    semsg(_(e_no_such_syntax_cluster_1), arg);
+		    semsg(_(e_no_such_syntax_cluster_str_1), arg);
 		    break;
 		}
 		else
@@ -3880,7 +3880,7 @@
 	    {
 		id = syn_scl_namen2id(arg + 1, (int)(arg_end - arg - 1));
 		if (id == 0)
-		    semsg(_(e_no_such_syntax_cluster_2), arg);
+		    semsg(_(e_no_such_syntax_cluster_str_2), arg);
 		else
 		    syn_list_cluster(id - SYNID_CLUSTER);
 	    }