diff --git a/mozilla/netwerk/protocol/http/src/nsHTTPRequest.h b/mozilla/netwerk/protocol/http/src/nsHTTPRequest.h
index 3e86f1402ae..bebf301cc41 100644
--- a/mozilla/netwerk/protocol/http/src/nsHTTPRequest.h
+++ b/mozilla/netwerk/protocol/http/src/nsHTTPRequest.h
@@ -22,6 +22,7 @@
 #include "nscore.h"
 #include "nsCOMPtr.h"
 #include "nsIStreamObserver.h"
+#include "nsIInputStream.h"
 #include "nsIPipe.h"
 #include "nsIURL.h"
 #include "nsIChannel.h"