1 files changed, 4 insertions, 0 deletions

diff --git a/src/xfaces.c b/src/xfaces.c
index f67ea61b37a..99355cca6af 100644
--- a/src/xfaces.c
+++ b/src/xfaces.c
@@ -5717,6 +5717,8 @@ lookup_named_face (f, symbol, c, signal_p)
       if (!realize_basic_faces (f))
         return -1;
       default_face = FACE_FROM_ID (f, DEFAULT_FACE_ID);
+      if (default_face == NULL)
+        abort ();  /* realize_basic_faces must have set it up  */
     }
 
   if (!get_lface_attributes (f, symbol, symbol_attrs, signal_p))
@@ -6221,6 +6223,8 @@ face for italic.  */)
       if (! realize_basic_faces (f))
         error ("Cannot realize default face");
       def_face = FACE_FROM_ID (f, DEFAULT_FACE_ID);
+      if (def_face == NULL)
+        abort ();  /* realize_basic_faces must have set it up  */
     }
 
   /* Dispatch to the appropriate handler.  */