diff --git a/testing/user.js b/testing/user.js
index 19f2893..2a10c3f 100644
--- a/testing/user.js
+++ b/testing/user.js
@@ -736,6 +736,7 @@ user_pref("security.csp.enable", true);
 // Disable CSP reports
 user_pref("security.csp.speccompliant", false);
 user_pref("security.signed_content.CSP.default", "");
+user_pref("security.csp.reporting.enabled", false);
 // -------------------------------------
 // Disable JAR from opening Unsafe File Types
 user_pref("network.jar.open-unsafe-types", false);