diff --git a/ChangeLog b/ChangeLog
index 0a03d739a..765c8ce68 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+2013-06-27  Werner Lemberg  <wl@gnu.org>
+
+	* src/winfonts/winfnt.c (FNT_Load_Glyph): Fix bitmap width guard.
+
 2013-06-25  Werner Lemberg  <wl@gnu.org>
 
 	[cff] Add darkening limit to `darkening-parameters'.
diff --git a/src/winfonts/winfnt.c b/src/winfonts/winfnt.c
index e8055c089..ff2ee958d 100644
--- a/src/winfonts/winfnt.c
+++ b/src/winfonts/winfnt.c
@@ -1024,7 +1024,7 @@
       bitmap->rows       = font->header.pixel_height;
       bitmap->pixel_mode = FT_PIXEL_MODE_MONO;
 
-      if ( offset + pitch * bitmap->rows >= font->header.file_size )
+      if ( offset + pitch * bitmap->rows > font->header.file_size )
       {
         FT_TRACE2(( "invalid bitmap width\n" ));
         error = FT_THROW( Invalid_File_Format );