1 files changed, 7 insertions, 1 deletions
diff --git a/src/Fl_cocoa.mm b/src/Fl_cocoa.mm
index 2c45e9f94..2b68ea887 100644
--- a/src/Fl_cocoa.mm
+++ b/src/Fl_cocoa.mm
@@ -2703,7 +2703,13 @@ static void convert_crlf(char * s, size_t len)
 }
 
 // fltk 1.3 clipboard support constant definitions:
-static const NSString *utf8_format = @"public.utf8-plain-text";
+static const NSString *calc_utf8_format(void)
+{
+  if (fl_mac_os_version >= 100500) return @"public.utf8-plain-text";
+  return NSStringPboardType;
+}
+
+static const NSString *utf8_format = calc_utf8_format();
 
 // clipboard variables definitions :
 char *fl_selection_buffer[2];