diff --git a/ChangeLog b/ChangeLog
index d663d9e4f..09475eb10 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+2015-11-09  Werner Lemberg  <wl@gnu.org>
+
+	* src/cid/cidload.c (cid_face_open): Fix GDBytes guard (#46408).
+
 2015-11-09  Werner Lemberg  <wl@gnu.org>
 
 	[truetype] Remove integer to pointer conversion compiler warning.
diff --git a/src/cid/cidload.c b/src/cid/cidload.c
index 7c39c02fc..382e3c03c 100644
--- a/src/cid/cidload.c
+++ b/src/cid/cidload.c
@@ -750,7 +750,7 @@
 
     /* sanity tests */
 
-    if ( cid->fd_bytes < 0 || cid->gd_bytes < 0 )
+    if ( cid->fd_bytes < 0 || cid->gd_bytes < 1 )
     {
       FT_ERROR(( "cid_parse_dict:"
                  " Invalid `FDBytes' or `GDBytes' value\n" ));