diff --git a/src/drivers/Cocoa/Fl_Cocoa_Screen_Driver.cxx b/src/drivers/Cocoa/Fl_Cocoa_Screen_Driver.cxx
index f03d399af..1d0ae53d8 100644
--- a/src/drivers/Cocoa/Fl_Cocoa_Screen_Driver.cxx
+++ b/src/drivers/Cocoa/Fl_Cocoa_Screen_Driver.cxx
@@ -26,6 +26,7 @@
 #include <FL/Fl_Graphics_Driver.H>
 #include <FL/Fl_Input.H>
 #include <FL/fl_ask.H>
+#include <FL/Fl_Image_Surface.H>
 #include <stdio.h>