diff --git a/hw/xquartz/applewm.c b/hw/xquartz/applewm.c
index e743a861e..8cd92f296 100644
--- a/hw/xquartz/applewm.c
+++ b/hw/xquartz/applewm.c
@@ -34,6 +34,8 @@
 #include <dix-config.h>
 #endif
 
+#include <errno.h>
+
 #include "quartz.h"
 
 #include "misc.h"
diff --git a/hw/xquartz/mach-startup/bundle-main.c b/hw/xquartz/mach-startup/bundle-main.c
index de82e2280..5c5bc70ac 100644
--- a/hw/xquartz/mach-startup/bundle-main.c
+++ b/hw/xquartz/mach-startup/bundle-main.c
@@ -34,6 +34,7 @@
 #include <dix-config.h>
 #endif
 
+#include <errno.h>
 #include <X11/Xlib.h>
 #include <assert.h>
 #include <unistd.h>