--- a/drivers/kernelsu/kernel_compat.c
+++ b/drivers/kernelsu/kernel_compat.c
@@ -83,6 +83,7 @@
 
+ #undef ksu_access_ok
 int ksu_access_ok(const void *addr, unsigned long size) {
 #if LINUX_VERSION_CODE < KERNEL_VERSION(5,0,0)
     /* For kernels before 5.0.0, pass the type argument to access_ok. */
