--- a/src/plugins/VerticalTabs/verticaltabsplugin.cpp 2019-03-19 19:06:45.000000000 +0100 +++ b/src/plugins/VerticalTabs/verticaltabsplugin.cpp 2020-04-04 16:13:30.073076918 +0200 @@ -30,6 +30,7 @@ #include "../config.h" #include "desktopfile.h" +#include #include VerticalTabsPlugin::VerticalTabsPlugin()