diff --git a/dll/dll/settings.h b/dll/dll/settings.h
index 2b615068..3759b8ab 100644
--- a/dll/dll/settings.h
+++ b/dll/dll/settings.h
@@ -361,7 +361,7 @@ public:
     CSteamID get_lobby();
 
     bool is_offline();
-    bool set_offline(bool offline);
+    void set_offline(bool offline);
 
     uint16 get_port();
     void set_port(uint16 port);
diff --git a/dll/settings.cpp b/dll/settings.cpp
index 46180bf9..03a16254 100644
--- a/dll/settings.cpp
+++ b/dll/settings.cpp
@@ -161,7 +161,7 @@ bool Settings::is_offline()
     return offline;
 }
 
-bool Settings::set_offline(bool offline)
+void Settings::set_offline(bool offline)
 {
     this->offline = offline;
 }