diff --git a/src/corelib/io/qwindowspipereader.cpp b/src/corelib/io/qwindowspipereader.cpp
index df65aebcff..7dd2125e70 100644
--- a/src/corelib/io/qwindowspipereader.cpp
+++ b/src/corelib/io/qwindowspipereader.cpp
@@ -318,6 +318,7 @@ bool QWindowsPipeReader::waitForPipeClosed(int msecs)
     QElapsedTimer stopWatch;
     stopWatch.start();
     forever {
+        waitForReadyRead(0);
         checkPipeState();
         if (pipeBroken)
             return true;