diff --git a/ui/drivers/cocoa/cocoa_common.m b/ui/drivers/cocoa/cocoa_common.m
index 26a0c6b17b..ae1a219471 100644
--- a/ui/drivers/cocoa/cocoa_common.m
+++ b/ui/drivers/cocoa/cocoa_common.m
@@ -17,6 +17,7 @@
 #import <AvailabilityMacros.h>
 #include <sys/stat.h>
 #include "cocoa_common.h"
+#include "ui_cocoa_window.h"
 
 /* Define compatibility symbols and categories. */
 
diff --git a/ui/drivers/cocoa/ui_cocoa_window.m b/ui/drivers/cocoa/ui_cocoa_window.m
index 29264ab798..a1ae064da8 100644
--- a/ui/drivers/cocoa/ui_cocoa_window.m
+++ b/ui/drivers/cocoa/ui_cocoa_window.m
@@ -20,6 +20,7 @@
 #include <string.h>
 
 #include "cocoa_common.h"
+#include "ui_cocoa_window.h"
 #include "../../ui_companion_driver.h"
 
 void ui_window_cocoa_destroy(void *data)