1 files changed, 1 insertions, 1 deletions

diff --git a/src/xdisp.c b/src/xdisp.c
index ab25dc67ebd..48f575cb222 100644
--- a/src/xdisp.c
+++ b/src/xdisp.c
@@ -2670,7 +2670,7 @@ display_text_line (w, start, vpos, hpos, taboffset)
               if (pos < ZV || !zv_strings_seen++)
                 {
                   int ovlen;
-                  char *ovstr;
+                  unsigned char *ovstr;
                   ovlen = overlay_strings (pos, w, &ovstr);
                   for (; ovlen; ovlen--, ovstr++)
                     {