diff --git a/netwerk/base/NetUtil.jsm b/netwerk/base/NetUtil.jsm
index f46e0e50c124..7c8a1a95ed2f 100644
--- a/netwerk/base/NetUtil.jsm
+++ b/netwerk/base/NetUtil.jsm
@@ -155,8 +155,7 @@ this.NetUtil = {
                 // are created providing the correct security flags in the loadinfo.
                 // See nsILoadInfo for all available security flags and also the API
                 // of NetUtil.newChannel() for details above.
-                Services.console.logStringMessage(
-                    "Warning: NetUtil.asyncFetch() requires the channel to have " +
+                Cu.reportError("NetUtil.jsm: asyncFetch() requires the channel to have " +
                     "one of the security flags set in the loadinfo (see nsILoadInfo). " +
                     "Please create channel using NetUtil.newChannel()");
                 channel.asyncOpen(listener, null);