diff --git a/src/gcconfig.pri.in b/src/gcconfig.pri.in
index 23e4b5482..cdefd89e5 100644
--- a/src/gcconfig.pri.in
+++ b/src/gcconfig.pri.in
@@ -214,6 +214,9 @@ macx {
 
     # Uncomment this line if you have the Mac OSX Wahoo API installed (Kickr)
     #HAVE_WFAPI = true
+
+    #uncomment below if you are running on the 10.9 developer preview
+    #INCLUDEPATH += /Library/Developer/CommandLineTools/SDKs/MacOSX10.9.sdk/usr/include/ 
 }
 
 #if you want a 'robot' to test realtime code without having