--- a/gtk/controller/controller.c
+++ b/gtk/controller/controller.c
@@ -15,6 +15,7 @@
 
 #include <glib.h>
 #include <glib-object.h>
+#include <stdint.h>
 #include <stdlib.h>
 #include <string.h>
 #include <spice/controller_prot.h>
--- a/gtk/controller/menu.c
+++ b/gtk/controller/menu.c
@@ -15,6 +15,7 @@
 
 #include <glib.h>
 #include <glib-object.h>
+#include <stdint.h>
 #include <stdlib.h>
 #include <string.h>
 #include <spice/controller_prot.h>