diff --git a/dom/network/Connection.cpp b/dom/network/Connection.cpp
index dd384247f162..9edd59bda2c9 100644
--- a/dom/network/Connection.cpp
+++ b/dom/network/Connection.cpp
@@ -100,7 +100,8 @@ Connection::Update(ConnectionType aType, bool aIsWifi, bool aDHCPGateway,
   mIsWifi = aIsWifi;
   mDHCPGateway = aDHCPGateway;
 
-  if (aNotify && previousType != aType) {
+  if (aNotify && previousType != aType &&
+      !nsContentUtils::ShouldResistFingerprinting()) {
     DispatchTrustedEvent(CHANGE_EVENT_NAME);
   }
 }
diff --git a/dom/network/Connection.h b/dom/network/Connection.h
index 774616be91a4..06a5c005444a 100644
--- a/dom/network/Connection.h
+++ b/dom/network/Connection.h
@@ -9,6 +9,7 @@
 
 #include "mozilla/DOMEventTargetHelper.h"
 #include "mozilla/dom/NetworkInformationBinding.h"
+#include "nsContentUtils.h"
 #include "nsCycleCollectionParticipant.h"
 #include "nsINetworkProperties.h"
 
@@ -52,7 +53,11 @@ public:
   virtual JSObject* WrapObject(JSContext* aCx,
                                JS::Handle<JSObject*> aGivenProto) override;
 
-  ConnectionType Type() const { return mType; }
+  ConnectionType Type() const
+  {
+    return nsContentUtils::ShouldResistFingerprinting() ?
+             static_cast<ConnectionType>(ConnectionType::Unknown) : mType;
+  }
 
   IMPL_EVENT_HANDLER(typechange)