diff --git a/src/syntax.c b/src/syntax.c
index e466de8..d5c2e77 100644
--- a/src/syntax.c
+++ b/src/syntax.c
@@ -5668,6 +5668,8 @@
 	    if (scl_id >= 0)
 		syn_combine_list(&SYN_CLSTR(curwin->w_s)[scl_id].scl_list,
 			     &clstr_list, list_op);
+	    else
+		vim_free(clstr_list);
 	    got_clstr = TRUE;
 	}
 
@@ -6034,7 +6036,8 @@
 		}
 		if (count != 0)
 		{
-		    EMSG2(_("E408: %s must be first in contains list"), name + 1);
+		    EMSG2(_("E408: %s must be first in contains list"),
+								     name + 1);
 		    failed = TRUE;
 		    vim_free(name);
 		    break;