diff --git a/mozilla/netwerk/protocol/http/src/nsHttpResponseHead.cpp b/mozilla/netwerk/protocol/http/src/nsHttpResponseHead.cpp
index 807901a6810..17f3cbdbfb4 100644
--- a/mozilla/netwerk/protocol/http/src/nsHttpResponseHead.cpp
+++ b/mozilla/netwerk/protocol/http/src/nsHttpResponseHead.cpp
@@ -320,6 +320,9 @@ nsHttpResponseHead::Reset()
     mVersion = NS_HTTP_VERSION_1_1;
     mStatus = 200;
     mStatusText = 0;
+    mContentLength = -1;
+    mContentType = 0;
+    mContentCharset = 0;
 }
 
 //-----------------------------------------------------------------------------