diff --git a/src/misc1.c b/src/misc1.c
index ddd9a07..9fa8578 100644
--- a/src/misc1.c
+++ b/src/misc1.c
@@ -1197,7 +1197,7 @@
 			    int	    i;
 			    int	    l;
 
-			    for (i = 0; p[i] != NUL && i < lead_len; i += l)
+			    for (i = 0; i < lead_len && p[i] != NUL; i += l)
 			    {
 				l = (*mb_ptr2len)(p + i);
 				if (vim_strnsize(p, i + l) > repl_size)