diff --git a/netwerk/base/Predictor.cpp b/netwerk/base/Predictor.cpp
index 643acf13a803..e97b11d16264 100644
--- a/netwerk/base/Predictor.cpp
+++ b/netwerk/base/Predictor.cpp
@@ -972,7 +972,7 @@ Predictor::PredictForLink(nsIURI *targetURI, nsIURI *sourceURI,
     }
   }
 
-  mSpeculativeService->SpeculativeConnect(targetURI, nullptr);
+  mSpeculativeService->SpeculativeConnect2(targetURI, nullptr, nullptr);
   if (verifier) {
     PREDICTOR_LOG(("    sending verification"));
     verifier->OnPredictPreconnect(targetURI);
@@ -1360,7 +1360,7 @@ Predictor::RunPredictions(nsIURI *referrer, nsINetworkPredictorVerifier *verifie
     nsCOMPtr<nsIURI> uri = preconnects[i];
     ++totalPredictions;
     ++totalPreconnects;
-    mSpeculativeService->SpeculativeConnect(uri, this);
+    mSpeculativeService->SpeculativeConnect2(uri, nullptr, this);
     predicted = true;
     if (verifier) {
       PREDICTOR_LOG(("    sending preconnect verification"));
diff --git a/netwerk/base/nsIOService.cpp b/netwerk/base/nsIOService.cpp
index 9861f3b515fb..410dc195c3e7 100644
--- a/netwerk/base/nsIOService.cpp
+++ b/netwerk/base/nsIOService.cpp
@@ -1752,12 +1752,18 @@ IOServiceProxyCallback::OnProxyAvailable(nsICancelable *request, nsIChannel *cha
     if (!speculativeHandler)
         return NS_OK;
 
+    nsCOMPtr<nsILoadInfo> loadInfo = channel->GetLoadInfo();
+    nsCOMPtr<nsIPrincipal> principal;
+    if (loadInfo) {
+      principal = loadInfo->LoadingPrincipal();
+    }
+
     nsLoadFlags loadFlags = 0;
     channel->GetLoadFlags(&loadFlags);
     if (loadFlags & nsIRequest::LOAD_ANONYMOUS) {
-        speculativeHandler->SpeculativeAnonymousConnect(uri, mCallbacks);
+        speculativeHandler->SpeculativeAnonymousConnect2(uri, principal, mCallbacks);
     } else {
-        speculativeHandler->SpeculativeConnect(uri, mCallbacks);
+        speculativeHandler->SpeculativeConnect2(uri, principal, mCallbacks);
     }
 
     return NS_OK;