--- a/security/sandbox/mac/SandboxPolicies.h
+++ b/security/sandbox/mac/SandboxPolicies.h
@@ -639,16 +639,19 @@ static const char flashPluginSandboxRule
       (global-name "com.apple.pbs.fetch_services")
       (global-name "com.apple.tccd.system")
       (global-name "com.apple.tsm.uiserver")
       (global-name "com.apple.inputmethodkit.launchagent")
       (global-name "com.apple.inputmethodkit.launcher")
       (global-name "com.apple.inputmethodkit.getxpcendpoint")
       (global-name "com.apple.decalog4.incoming")
       (global-name "com.apple.windowserver.active"))
+  ; bug 1475707
+  (if (= macosMinorVersion 9)
+     (allow mach-lookup (global-name "com.apple.xpcd")))
 
   ; Fonts
   (allow file-read*
     (subpath "/Library/Fonts")
     (subpath "/Library/Application Support/Apple/Fonts")
     (home-library-subpath "/Fonts")
     ; Allow read access to paths allowed via sandbox extensions.
     ; This is needed for fonts in non-standard locations normally