--- a/src/comm.cc
+++ b/src/comm.cc
@@ -2001,7 +2001,7 @@ DeferredReadManager::popHead(CbDataListContainer<DeferredRead> &deferredReads)
     //       amount of time. We must re-validate that it is active and usable.
 
     // If the connection has been closed already. Cancel this read.
-    if (!Comm::IsConnOpen(read.theRead.conn)) {
+    if (!fd_table || !Comm::IsConnOpen(read.theRead.conn)) {
         if (read.closer != NULL) {
             read.closer->cancel("Connection closed before.");
             read.closer = NULL;