diff --git a/src/util/ButtonNavigator.cpp b/src/util/ButtonNavigator.cpp
index ede0c06b..3fc1714b 100644
--- a/src/util/ButtonNavigator.cpp
+++ b/src/util/ButtonNavigator.cpp
@@ -1,6 +1,7 @@
 #include "ButtonNavigator.h"
 
 #include "ButtonEventManager.h"
+#include "activities/Activity.h"
 #include "activities/ActivityManager.h"
 
 const MappedInputManager* ButtonNavigator::mappedInput = nullptr;