diff --git a/server/NetdNativeService.cpp b/server/NetdNativeService.cpp
index c155ac1..ad6d6de 100644
--- a/server/NetdNativeService.cpp
+++ b/server/NetdNativeService.cpp
@@ -88,7 +88,7 @@
 
 #define NETD_LOCKING_RPC(permission, lock)                  \
     ENFORCE_PERMISSION(permission);                         \
-    std::lock_guard<std::mutex> _lock(lock);
+    std::lock_guard _lock(lock);
 
 #define NETD_BIG_LOCK_RPC(permission) NETD_LOCKING_RPC((permission), gBigNetdLock)