diff --git a/src/managers/ProtocolManager.hpp b/src/managers/ProtocolManager.hpp
index 4f668b46..52a54253 100644
--- a/src/managers/ProtocolManager.hpp
+++ b/src/managers/ProtocolManager.hpp
@@ -6,6 +6,7 @@
 #include "../protocols/GlobalShortcuts.hpp"
 #include "../protocols/Screencopy.hpp"
 #include "../helpers/memory/WeakPtr.hpp"
+#include "../helpers/signal/Listener.hpp"
 #include <unordered_map>
 
 class CProtocolManager {