1 files changed, 6 insertions, 0 deletions

diff --git a/src/xfaces.c b/src/xfaces.c
index 54c317a5ea7..141d565203f 100644
--- a/src/xfaces.c
+++ b/src/xfaces.c
@@ -3341,6 +3341,12 @@ FRAME 0 means change the face on all frames, and change the default
          the attribute is mandatory.  Also, clear the average
          width.  */
       font_clear_prop (XVECTOR (lface)->contents, prop_index);
+
+      /* If we are setting QCfamily, clear out FONT_WIDTH_INDEX as
+         well.  This avoids rejecting valid families that lack support
+         for a particular width.  */
+      if (prop_index == FONT_FAMILY_INDEX)
+        font_clear_prop (XVECTOR (lface)->contents, FONT_WIDTH_INDEX);
     }
 
   /* Changing a named face means that all realized faces depending on