diff --git a/FL/Fl_Copy_Surface.H b/FL/Fl_Copy_Surface.H
index e26ec47b1..a6ef7220b 100644
--- a/FL/Fl_Copy_Surface.H
+++ b/FL/Fl_Copy_Surface.H
@@ -21,10 +21,7 @@
 
 #include <FL/Fl_Paged_Device.H>
 #include <FL/Fl_Printer.H>
-
-#if defined(__APPLE__)
-#include <ApplicationServices/ApplicationServices.h>
-#endif
+#include <FL/x.H>
 
 /** Supports copying of graphical data to the clipboard.
  
@@ -57,7 +54,7 @@ private:
   int height;
   Fl_Paged_Device *helper;
 #ifdef __APPLE__
-  CFMutableDataRef pdfdata;
+  Fl_CFMutableDataRef pdfdata;
   CGContextRef oldgc;
   CGContextRef gc;
   void prepare_copy_pdf_and_tiff(int w, int h);
diff --git a/FL/mac.H b/FL/mac.H
index c824aa5d0..de8270549 100644
--- a/FL/mac.H
+++ b/FL/mac.H
@@ -41,6 +41,7 @@ typedef struct OpaquePMPrintSettings*   PMPrintSettings;
 typedef struct OpaquePMPageFormat*      PMPageFormat;
 typedef struct OpaquePMPrintSession*    PMPrintSession;
 typedef struct CGImage* CGImageRef;
+typedef void *Fl_CFMutableDataRef; // used in Fl_Copy_Surface.H
 typedef CGContextRef Fl_Offscreen;
 
 #else // this part must be compiled when building the FLTK libraries
@@ -78,6 +79,7 @@ class NSCursor;
 #endif // __OBJC__
 
 typedef CGContextRef Fl_Offscreen;
+typedef CFMutableDataRef Fl_CFMutableDataRef;
 
 typedef struct flCocoaRegion {
   int count;