diff --git a/src/openrct2/actions/SetParkEntranceFeeAction.cpp b/src/openrct2/actions/SetParkEntranceFeeAction.cpp
index 6fde802218..df6fd507c7 100644
--- a/src/openrct2/actions/SetParkEntranceFeeAction.cpp
+++ b/src/openrct2/actions/SetParkEntranceFeeAction.cpp
@@ -68,7 +68,7 @@ public:
     }
 };
 
-auto Factory = GameActions::Register<SetParkEntranceFeeAction>(GAME_COMMAND_SET_PARK_ENTRANCE_FEE);
+static auto Factory = GameActions::Register<SetParkEntranceFeeAction>(GAME_COMMAND_SET_PARK_ENTRANCE_FEE);
 
 extern "C"
 {