diff --git a/manager/app/src/main/cpp/jni.cc b/manager/app/src/main/cpp/jni.cc
index 0eaf7074..85867951 100644
--- a/manager/app/src/main/cpp/jni.cc
+++ b/manager/app/src/main/cpp/jni.cc
@@ -28,11 +28,8 @@ Java_com_rifsxd_ksunext_Natives_getVersion(JNIEnv *env, jobject) {
 extern "C"
 JNIEXPORT jstring JNICALL
 Java_com_rifsxd_ksunext_Natives_getHookMode(JNIEnv *env, jobject) {
-    char mode[16] = {0};
-    if (get_hook_mode(mode, sizeof(mode))) {
-        return env->NewStringUTF(mode);
-    }
-    return nullptr;
+    const char* mode = get_hook_mode();
+    return env->NewStringUTF(mode);
 }
 
 extern "C"
diff --git a/manager/app/src/main/cpp/ksu.cc b/manager/app/src/main/cpp/ksu.cc
index 3567c003..4d53bc1d 100644
--- a/manager/app/src/main/cpp/ksu.cc
+++ b/manager/app/src/main/cpp/ksu.cc
@@ -62,10 +62,10 @@ int get_version() {
     return version;
 }
 
-bool get_hook_mode(char *mode, int mode_len) {
-    if (!mode || mode_len == 0) return false;
-    memset(mode, 0, mode_len);
-    return ksuctl(CMD_HOOK_MODE, mode, nullptr);
+const char* get_hook_mode() {
+    static char mode[16];
+    ksuctl(CMD_HOOK_MODE, mode, nullptr);
+    return mode;
 }
 
 bool get_allow_list(int *uids, int *size) {
diff --git a/manager/app/src/main/cpp/ksu.h b/manager/app/src/main/cpp/ksu.h
index 14be847b..17394da5 100644
--- a/manager/app/src/main/cpp/ksu.h
+++ b/manager/app/src/main/cpp/ksu.h
@@ -11,7 +11,7 @@ bool become_manager(const char *);
 
 int get_version();
 
-bool get_hook_mode(char *mode, int mode_len);
+const char* get_hook_mode();
 
 bool get_allow_list(int *uids, int *size);