diff --git a/common.cpp b/common.cpp
index 0e4392e..f75a00a 100644
--- a/common.cpp
+++ b/common.cpp
@@ -8,12 +8,16 @@ namespace h804 {
 void daemon_notify_ready() {
 #ifdef H804_SYSTEMD_ENABLE
     sd_notify(0, "READY=1");
+#else
+    (void)args;
 #endif
 }
 
 void daemon_notify(const std::string& args) {
 #ifdef H804_SYSTEMD_ENABLE
     sd_notify(0, args.c_str());
+#else
+    (void)args;
 #endif
 }