diff --git a/src/gui/src/custom-buttons/settings.h b/src/gui/src/custom-buttons/settings.h
index 44133311b..2545e8a39 100644
--- a/src/gui/src/custom-buttons/settings.h
+++ b/src/gui/src/custom-buttons/settings.h
@@ -4,10 +4,9 @@
 #include <QList>
 #include <QMetaType>
 #include <QString>
+#include "custom-buttons/state.h"
 
 
-class ButtonState;
-
 class ButtonSettings
 {
 	public:
diff --git a/src/gui/src/main/main.cpp b/src/gui/src/main/main.cpp
index 41acd4c21..b87df047e 100644
--- a/src/gui/src/main/main.cpp
+++ b/src/gui/src/main/main.cpp
@@ -91,6 +91,8 @@ int main(int argc, char *argv[])
 	}
 
 	qRegisterMetaType<PageApi::LoadResult>("LoadResult");
+	qRegisterMetaType<ButtonSettings>();
+	qRegisterMetaType<QList<ButtonSettings>>();
 
 	// Set window title according to the current build
 	#ifdef NIGHTLY