diff --git a/plug-ins/common/file-xmc.c b/plug-ins/common/file-xmc.c
index 04b48657e7..811fb18872 100644
--- a/plug-ins/common/file-xmc.c
+++ b/plug-ins/common/file-xmc.c
@@ -58,6 +58,7 @@
 #include <libgimp/gimp.h>
 #include <libgimp/gimpui.h>
 
+#include <X11/Xlib.h>
 #include <X11/Xcursor/Xcursor.h>
 
 #include "libgimp/stdplugins-intl.h"