diff --git a/lib/krb5/fcache.c b/lib/krb5/fcache.c
index 1c32389fa..c7a2c0382 100644
--- a/lib/krb5/fcache.c
+++ b/lib/krb5/fcache.c
@@ -1306,6 +1306,7 @@ is_default_collection(krb5_context context, const char *name,
 {
     krb5_error_code ret;
     const char *def_loc[2] = { KRB5_DEFAULT_CCNAME_FILE, NULL };
+    const char *const def_loc[2] = { KRB5_DEFAULT_CCNAME_FILE, NULL };
     const char *sep;
     size_t namelen;
     size_t i;
@@ -1385,7 +1386,8 @@ fcc_get_cache_first(krb5_context context, krb5_cc_cursor *cursor)
      * locations.
      */
     if ((ret = is_default_collection(context, def_ccname,
-                                     (const char **)def_locs,
+                                     /* XXX strict aliasing violation */
+                                     (const char * const *)def_locs,
                                      &is_def_coll)))
         goto out;