1 files changed, 2 insertions, 2 deletions

diff --git a/src/fileio.c b/src/fileio.c
index 1da60020e12..ce05ef1a5ea 100644
--- a/src/fileio.c
+++ b/src/fileio.c
@@ -2254,8 +2254,8 @@ duplicates what `expand-file-name' does.  */)
                convert what we substitute into multibyte.  */
             while (*o)
               {
-                int c = unibyte_char_to_multibyte (*o);
-                o++;
+                int c = *o++;
+                c = unibyte_char_to_multibyte (c);
                 x += CHAR_STRING (c, x);
               }
           }