--- source/Panel.h~	2020-05-01 21:02:38.000000000 +0200
+++ source/Panel.h	2020-12-17 15:29:57.592856826 +0100
@@ -17,7 +17,7 @@
 
 #include <functional>
 #include <list>
-
+#include <string>
 #include <SDL2/SDL.h>
 
 class Command;