1 files changed, 4 insertions, 1 deletions

diff --git a/src/w32term.c b/src/w32term.c
index c20e470037a..d6bff6e32e4 100644
--- a/src/w32term.c
+++ b/src/w32term.c
@@ -1284,7 +1284,10 @@ w32_cache_char_metrics (font)
     }
   else
     {
-      if ((font->tm.tmPitchAndFamily & TMPF_FIXED_PITCH) != 0)
+      if (((font->tm.tmPitchAndFamily & TMPF_FIXED_PITCH) != 0)
+          /* Some fonts (eg DBCS fonts) are marked as fixed width even
+             though they contain characters of different widths. */
+          || (font->tm.tmMaxCharWidth != font->tm.tmAveCharWidth))
         {
           /* Font is not fixed pitch, so cache per_char info for the
              ASCII characters.  It would be much more work, and probably