diff --git a/kernel/Makefile b/kernel/Makefile
index 56c0376d..5c3950bc 100644
--- a/kernel/Makefile
+++ b/kernel/Makefile
@@ -73,6 +73,8 @@ ccflags-y += -DEXPECTED_NEXT_HASH=\"$(KSU_NEXT_EXPECTED_HASH)\"
 
 ifeq ($(shell grep -q "int path_umount" $(srctree)/fs/namespace.c; echo $$?),0)
 ccflags-y += -DKSU_UMOUNT
+endif
+
 ccflags-y += -Wno-implicit-function-declaration -Wno-strict-prototypes -Wno-int-conversion -Wno-gcc-compat
 ccflags-y += -Wno-declaration-after-statement -Wno-unused-function