diff --git a/lib/test_user_copy.c b/lib/test_user_copy.c
index 6f335a3d4ae2..1a8d71a68531 100644
--- a/lib/test_user_copy.c
+++ b/lib/test_user_copy.c
@@ -30,7 +30,8 @@
  * As there doesn't appear to be anything that can safely determine
  * their capability at compile-time, we just have to opt-out certain archs.
  */
-#if BITS_PER_LONG == 64 || (!defined(CONFIG_AVR32)  &&		\
+#if BITS_PER_LONG == 64 || (!(defined(CONFIG_ARM) && !defined(MMU)) && \
+			    !defined(CONFIG_AVR32) &&		\
 			    !defined(CONFIG_BLACKFIN) &&	\
 			    !defined(CONFIG_M32R) &&		\
 			    !defined(CONFIG_M68K) &&		\