diff --git a/mozilla/network/module/nsIConnectionInfo.h b/mozilla/network/module/nsIConnectionInfo.h
index 662aabcd5f6..f06febfdc21 100644
--- a/mozilla/network/module/nsIConnectionInfo.h
+++ b/mozilla/network/module/nsIConnectionInfo.h
@@ -32,6 +32,9 @@ class nsIStreamListener;
 
 class nsIConnectionInfo : public nsISupports {
 public:
+
+	static const nsIID& IID() { static nsIID iid = NS_ICONNECTIONINFO_IID; return iid; }
+
   /**
    * Get the URL associated with this connection.
    *
diff --git a/mozilla/network/module/nsINetService.h b/mozilla/network/module/nsINetService.h
index bef9356a563..86e8fe0887c 100644
--- a/mozilla/network/module/nsINetService.h
+++ b/mozilla/network/module/nsINetService.h
@@ -54,6 +54,7 @@ class nsIProtocol;
  */
 struct nsINetService : public nsISupports 
 {
+	static const nsIID& IID() { static nsIID iid = NS_INETSERVICE_IID; return iid; }
     /**
      * Initiate an asynchronous URL load.<BR><BR>
      *
diff --git a/mozilla/network/module/nsINetlibURL.h b/mozilla/network/module/nsINetlibURL.h
index f8fe9b4f29b..26601ecf538 100644
--- a/mozilla/network/module/nsINetlibURL.h
+++ b/mozilla/network/module/nsINetlibURL.h
@@ -40,6 +40,7 @@ struct URL_Struct_;
  */
 class nsINetlibURL : public nsISupports {
 public:
+  static const nsIID& IID() { static nsIID iid = NS_INETLIBURL_IID; return iid; }
 
   NS_IMETHOD GetURLInfo(URL_Struct_ **aResult) const = 0;
   NS_IMETHOD SetURLInfo(URL_Struct_ *URL_s) = 0;