diff --git a/kernel/Makefile b/kernel/Makefile
index d6ae581d..fb0dc6cb 100644
--- a/kernel/Makefile
+++ b/kernel/Makefile
@@ -44,20 +44,20 @@ endif
 
 obj-$(CONFIG_KSU) += kernelsu.o
 
+KSU_MANUAL_VERSION := 12510
 
 ifeq ($(strip $(KSU_MANUAL_VERSION)),)
     ifeq ($(shell test -e $(srctree)/$(src)/../.git; echo $$?),0)
-        $(shell cd $(srctree)/$(src); /usr/bin/env PATH="$$PATH":/usr/bin:/usr/local/bin git checkout main)
-        $(shell cd $(srctree)/$(src); /usr/bin/env PATH="$$PATH":/usr/bin:/usr/local/bin git pull origin main)
+        $(shell cd $(srctree)/$(src); /usr/bin/env PATH="$$PATH":/usr/bin:/usr/local/bin [ -f ../.git/shallow ] && git fetch --unshallow)
         KSU_GIT_VERSION := $(shell cd $(srctree)/$(src); /usr/bin/env PATH="$$PATH":/usr/bin:/usr/local/bin git rev-list --count HEAD)
-        # ksu_version: major * 10000 + git version + 600 for historical reasons
+        # ksu_version: major * 10000 + git version + 500 for historical reasons
         $(eval KSU_VERSION=$(shell expr 12000 + $(KSU_GIT_VERSION) + 500))
         $(info -- KernelSU version (Git-based): $(KSU_VERSION))
         ccflags-y += -DKSU_VERSION=$(KSU_VERSION)
     else
         # .git is a text file while the module is imported by 'git submodule add'.
         $(warning "KSU_GIT_VERSION not defined! Using default version.")
-        KSU_VERSION := $(KSU_MANUAL_VERSION)
+        KSU_VERSION := 12510
         $(info -- KernelSU version (Default): $(KSU_VERSION))
         ccflags-y += -DKSU_VERSION=$(KSU_VERSION)
     endif