diff --git a/manager/app/src/main/cpp/ksu.c b/manager/app/src/main/cpp/ksu.c
index b44a9a33..a47fd245 100644
--- a/manager/app/src/main/cpp/ksu.c
+++ b/manager/app/src/main/cpp/ksu.c
@@ -131,7 +131,7 @@ bool is_manager() {
         return (info.flags & 0x2) != 0;
     }
     // Legacy Compatible
-    return legacy_get_info().version;
+    return legacy_get_info().version > 0;
 }
 
 bool uid_should_umount(int uid) {
diff --git a/manager/app/src/main/cpp/legacy.c b/manager/app/src/main/cpp/legacy.c
index b49de312..de72a326 100644
--- a/manager/app/src/main/cpp/legacy.c
+++ b/manager/app/src/main/cpp/legacy.c
@@ -50,7 +50,7 @@ static bool ksuctl(int cmd, void* arg1, void* arg2) {
 
 struct ksu_version_info legacy_get_info()
 {
-    int32_t version = 0;
+    int32_t version = -1;
     int32_t flags = 0;
     ksuctl(CMD_GET_VERSION, &version, &flags);
     return (struct ksu_version_info){version, flags};
diff --git a/manager/app/src/main/java/com/sukisu/ultra/Natives.kt b/manager/app/src/main/java/com/sukisu/ultra/Natives.kt
index 30355805..ef0da086 100644
--- a/manager/app/src/main/java/com/sukisu/ultra/Natives.kt
+++ b/manager/app/src/main/java/com/sukisu/ultra/Natives.kt
@@ -189,7 +189,7 @@ object Natives {
     }
 
     fun requireNewKernel(): Boolean {
-        if (version < MINIMAL_SUPPORTED_KERNEL) return true
+        if (version != -1 && version < MINIMAL_SUPPORTED_KERNEL) return true
         return isVersionLessThan(getFullVersion(), MINIMAL_SUPPORTED_KERNEL_FULL)
     }