--- a/security/sandbox/mac/Sandbox.mm
+++ b/security/sandbox/mac/Sandbox.mm
@@ -391,16 +391,19 @@ static const char contentSandboxRules[] 
   "  (allow file-read*\n"
   "      (home-subpath \"/Library/Caches/TemporaryItems\"))\n"
   "\n"
   "; bug 1237847\n"
   "  (allow file-read*\n"
   "      (subpath appTempDir))\n"
   "  (allow file-write*\n"
   "      (subpath appTempDir))\n"
+  "\n"
+  "; bug 1324610\n"
+  "  (allow network-outbound (literal \"/private/var/run/cupsd\"))\n"
 #ifdef DEBUG
   "\n"
   "; bug 1303987\n"
   "  (allow file-write* (var-folders-regex \"/\"))\n"
 #endif
   ")\n";
 
 bool StartMacSandbox(MacSandboxInfo aInfo, std::string &aErrorMessage)