diff --git a/Frameworks/DocumentWindow/src/DocumentWindowController.mm b/Frameworks/DocumentWindow/src/DocumentWindowController.mm
index b2bb0a41..d0109fdc 100644
--- a/Frameworks/DocumentWindow/src/DocumentWindowController.mm
+++ b/Frameworks/DocumentWindow/src/DocumentWindowController.mm
@@ -9,6 +9,7 @@
 #import <OakAppKit/OakAppKit.h>
 #import <OakAppKit/OakPasteboard.h>
 #import <OakAppKit/OakSavePanel.h>
+#import <OakAppKit/OakUIConstructionFunctions.h>
 #import <MenuBuilder/MenuBuilder.h>
 #import <OakTabBarView/OakTabBarView.h>
 #import <OakFoundation/NSString Additions.h>