diff --git a/netwerk/protocol/http/nsHttpChannel.cpp b/netwerk/protocol/http/nsHttpChannel.cpp
index 7db6bb5dc2b..c6a4121f5cb 100644
--- a/netwerk/protocol/http/nsHttpChannel.cpp
+++ b/netwerk/protocol/http/nsHttpChannel.cpp
@@ -4897,8 +4897,7 @@ nsHttpChannel::BeginConnect()
         if (mLoadFlags & LOAD_INITIAL_DOCUMENT_URI) {
             gHttpHandler->ConnMgr()->DoShiftReloadConnectionCleanup(mConnectionInfo);
         }
-        // each sub resource gets a fresh connection
-        mCaps &= ~(NS_HTTP_ALLOW_KEEPALIVE | NS_HTTP_ALLOW_PIPELINING);
+        mCaps &= ~NS_HTTP_ALLOW_PIPELINING;
     }
 
     // We may have been cancelled already, either by on-modify-request