diff --git a/kernel/core_hook.c b/kernel/core_hook.c
index 06fc75cf..1288de69 100644
--- a/kernel/core_hook.c
+++ b/kernel/core_hook.c
@@ -324,6 +324,14 @@ int ksu_handle_prctl(int option, unsigned long arg2, unsigned long arg3,
 			if (copy_to_user(arg3, &version, sizeof(version))) {
 				pr_err("prctl reply error, cmd: %lu\n", arg2);
 			}
+#ifdef MODULE
+			u32 is_lkm = 0x1;
+#else
+			u32 is_lkm = 0x0;
+#endif
+			if (arg4 && copy_to_user(arg4, &is_lkm, sizeof(is_lkm))) {
+				pr_err("prctl reply error, cmd: %lu\n", arg2);
+			}
 		}
 		return 0;
 	}