diff --git a/package/uclibc/uclibc.mk b/package/uclibc/uclibc.mk
index 644c531b56..e3681c7689 100644
--- a/package/uclibc/uclibc.mk
+++ b/package/uclibc/uclibc.mk
@@ -241,6 +241,20 @@ define UCLIBC_LARGEFILE_CONFIG
 endef
 endif
 
+#
+# MMU
+#
+
+ifeq ($(BR2_USE_MMU),y)
+define UCLIBC_MMU_CONFIG
+	$(call UCLIBC_OPT_SET,ARCH_USE_MMU,y,$(@D))
+endef
+else
+define UCLIBC_MMU_CONFIG
+	$(call UCLIBC_OPT_UNSET,ARCH_USE_MMU,$(@D))
+endef
+endif
+
 #
 # IPv6
 #