diff --git a/arch/um/Makefile b/arch/um/Makefile
index 0666729..3efc4ff 100644
--- a/arch/um/Makefile
+++ b/arch/um/Makefile
@@ -60,7 +60,8 @@
 
 CFLAGS += $(CFLAGS-y) -D__arch_um__ -DSUBARCH=\"$(SUBARCH)\"	\
 	$(ARCH_INCLUDE) $(MODE_INCLUDE) -Dvmap=kernel_vmap	\
-	-Din6addr_loopback=kernel_in6addr_loopback
+	-Din6addr_loopback=kernel_in6addr_loopback \
+	-Din6addr_any=kernel_in6addr_any
 
 AFLAGS += $(ARCH_INCLUDE)