Index: src/desktop/clipboard.cpp
--- src/desktop/clipboard.cpp.orig
+++ src/desktop/clipboard.cpp
@@ -15,6 +15,7 @@
 
 #include "desktop/clipboard.hpp"
 #include "serialization/unicode.hpp"
+#include <unistd.h>
 #include <algorithm>
 
 #include <SDL2/SDL_events.h>
