diff --git a/src/node/interface_ui.h b/src/node/interface_ui.h
index 2165402fc6d..fe937fc7b14 100644
--- a/src/node/interface_ui.h
+++ b/src/node/interface_ui.h
@@ -71,7 +71,7 @@ public:
 #define ADD_SIGNALS_DECL_WRAPPER(signal_name, rtype, ...)                                  \
     rtype signal_name(__VA_ARGS__);                                                        \
     using signal_name##Sig = rtype(__VA_ARGS__);                                           \
-    boost::signals2::connection signal_name##_connect(std::function<signal_name##Sig> fn);
+    boost::signals2::connection signal_name##_connect(std::function<signal_name##Sig> fn)
 
     /** Show message box. */
     ADD_SIGNALS_DECL_WRAPPER(ThreadSafeMessageBox, bool, const bilingual_str& message, const std::string& caption, unsigned int style);