diff --git a/xkb/xkbUtils.c b/xkb/xkbUtils.c
index 19be1cfb0..12ef1207c 100644
--- a/xkb/xkbUtils.c
+++ b/xkb/xkbUtils.c
@@ -2130,9 +2130,12 @@ XkbCopyKeymap(XkbDescPtr src, XkbDescPtr dst, Bool sendNotifies)
     memset(&changes, 0, sizeof(changes));
     memset(&cause, 0, sizeof(cause));
 
-    if (!src || !dst || src == dst)
+    if (!src || !dst)
         return FALSE;
 
+    if (src == dst)
+        return TRUE;
+
     if (!_XkbCopyClientMap(src, dst))
         return FALSE;
     if (!_XkbCopyServerMap(src, dst))