1 files changed, 1 insertions, 1 deletions
diff --git a/src/ui.c b/src/ui.c
index 6f4f6b200d..2cbc43a2a8 100644
--- a/src/ui.c
+++ b/src/ui.c
@@ -1075,7 +1075,7 @@ int vcol2col(win_T *wp, linenr_T lnum, int vcol)
   char_u      *start;
 
   start = ptr = ml_get_buf(wp->w_buffer, lnum, FALSE);
-  while (count < vcol && *ptr != NUL) {
+  while (count < vcol && *ptr != '\0') {
     count += win_lbr_chartabsize(wp, ptr, count, NULL);
     mb_ptr_adv(ptr);
   }