diff --git a/kernel/Makefile b/kernel/Makefile
index e2ff25c2..6991426b 100644
--- a/kernel/Makefile
+++ b/kernel/Makefile
@@ -126,7 +126,7 @@ endif
 #ccflags-y += -DKSU_UMOUNT
 
 # Do checks before compile
-ifeq ($(shell grep -q "int\s\+\path_umount" $(srctree)/fs/namespace.c; echo $$?),0)
+ifeq ($(shell grep -q "int\s\+path_umount" $(srctree)/fs/namespace.c; echo $$?),0)
 ccflags-y += -DKSU_HAS_PATH_UMOUNT
 endif