1 files changed, 4 insertions, 5 deletions
diff --git a/src/corelib/io/qprocess.cpp b/src/corelib/io/qprocess.cpp
index 64a59bc2c3..2ee680a7c6 100644
--- a/src/corelib/io/qprocess.cpp
+++ b/src/corelib/io/qprocess.cpp
@@ -1094,10 +1094,9 @@ bool QProcessPrivate::_q_canReadStandardError()
 */
 bool QProcessPrivate::_q_canWrite()
 {
-    if (stdinChannel.notifier)
-        stdinChannel.notifier->setEnabled(false);
-
     if (writeBuffer.isEmpty()) {
+        if (stdinChannel.notifier)
+            stdinChannel.notifier->setEnabled(false);
 #if defined QPROCESS_DEBUG
         qDebug("QProcessPrivate::canWrite(), not writing anything (empty write buffer).");
 #endif
@@ -1106,10 +1105,10 @@ bool QProcessPrivate::_q_canWrite()
 
     const bool writeSucceeded = writeToStdin();
 
-    if (stdinChannel.notifier && !writeBuffer.isEmpty())
-        stdinChannel.notifier->setEnabled(true);
     if (writeBuffer.isEmpty() && stdinChannel.closed)
         closeWriteChannel();
+    else if (stdinChannel.notifier)
+        stdinChannel.notifier->setEnabled(!writeBuffer.isEmpty());
     return writeSucceeded;
 }