diff --git a/kernel/Makefile b/kernel/Makefile
index 5e532cff..6ff901f0 100644
--- a/kernel/Makefile
+++ b/kernel/Makefile
@@ -15,7 +15,13 @@ obj-y += selinux/
 # .git is a text file while the module is imported by 'git submodule add'.
 ifeq ($(shell test -e $(srctree)/$(src)/../.git; echo $$?),0)
 KSU_GIT_VERSION := $(shell cd $(srctree)/$(src); /usr/bin/env PATH="$$PATH":/usr/bin:/usr/local/bin git rev-list --count HEAD)
-ccflags-y += -DKSU_GIT_VERSION=$(KSU_GIT_VERSION)
+# ksu_version: major * 10000 + git version + 200 for historical reasons
+$(eval KSU_VERSION=$(shell expr 10000 + $(KSU_GIT_VERSION) + 200))
+$(info -- KernelSU version: $(KSU_VERSION))
+ccflags-y += -DKSU_VERSION=$(KSU_VERSION)
+else # If there is no .git file, the default version will be passed.
+$(warning "KSU_GIT_VERSION not defined! It is better to make KernelSU a git submodule!")
+ccflags-y += -DKSU_VERSION=16
 endif
 
 ifndef EXPECTED_SIZE
diff --git a/kernel/ksu.h b/kernel/ksu.h
index dae32738..cdffb5ae 100644
--- a/kernel/ksu.h
+++ b/kernel/ksu.h
@@ -4,16 +4,7 @@
 #include "linux/types.h"
 #include "linux/workqueue.h"
 
-#ifndef KSU_GIT_VERSION
-#warning                                                                       \
-	"KSU_GIT_VERSION not defined! It is better to make KernelSU a git submodule!"
-#define KERNEL_SU_VERSION (16)
-#else
-#define KERNEL_SU_VERSION                                                      \
-	(10000 + KSU_GIT_VERSION +                                             \
-	 200) // major * 10000 + git version + 200 for historical reasons
-#endif
-
+#define KERNEL_SU_VERSION KSU_VERSION
 #define KERNEL_SU_OPTION 0xDEADBEEF
 
 #define CMD_GRANT_ROOT 0