diff --git a/zygiskd/src/root_impl/kernelsu.rs b/zygiskd/src/root_impl/kernelsu.rs
index 27deed0..27069f4 100644
--- a/zygiskd/src/root_impl/kernelsu.rs
+++ b/zygiskd/src/root_impl/kernelsu.rs
@@ -25,13 +25,13 @@ pub fn get_kernel_su() -> Option<Version> {
 }
 
 pub fn uid_granted_root(uid: i32) -> bool {
-    let mut granted = 0;
-    unsafe { prctl(KERNEL_SU_OPTION, CMD_UID_GRANTED_ROOT, uid, &mut granted as *mut i32) };
-    granted == 1
+    let mut granted = false;
+    unsafe { prctl(KERNEL_SU_OPTION, CMD_UID_GRANTED_ROOT, uid, &mut granted as *mut bool) };
+    granted
 }
 
 pub fn uid_should_umount(uid: i32) -> bool {
-    let mut umount = 0;
-    unsafe { prctl(KERNEL_SU_OPTION, CMD_UID_SHOULD_UMOUNT, uid, &mut umount as *mut i32) };
-    umount == 1
+    let mut umount = false;
+    unsafe { prctl(KERNEL_SU_OPTION, CMD_UID_SHOULD_UMOUNT, uid, &mut umount as *mut bool) };
+    umount
 }