diff --git a/src/libs/utils/qtcprocess.cpp b/src/libs/utils/qtcprocess.cpp
index f4b715eece6..0975b3fe220 100644
--- a/src/libs/utils/qtcprocess.cpp
+++ b/src/libs/utils/qtcprocess.cpp
@@ -493,8 +493,6 @@ public:
                 this, &QtcProcessPrivate::handleReadyReadStandardOutput);
         connect(m_process, &ProcessInterface::readyReadStandardError,
                 this, &QtcProcessPrivate::handleReadyReadStandardError);
-        connect(&m_timer, &QTimer::timeout, this, &QtcProcessPrivate::slotTimeout);
-        m_timer.setInterval(1000);
     }
 
     void handleReadyReadStandardOutput()
@@ -552,8 +550,7 @@ public:
     QtcProcess::Result interpretExitCode(int exitCode);
 
     QTextCodec *m_codec = QTextCodec::codecForLocale();
-    QTimer m_timer;
-    QEventLoop m_eventLoop;
+    QEventLoop *m_eventLoop = nullptr;
     QtcProcess::Result m_result = QtcProcess::StartFailed;
     QProcess::ExitStatus m_exitStatus = QProcess::NormalExit;
     ChannelBuffer m_stdOut;
@@ -1408,16 +1405,23 @@ void QtcProcess::runBlocking()
         // executable cannot be found in the path. Do not start the
         // event loop in that case.
         if (!d->m_startFailure) {
-            d->m_timer.start();
+            QTimer timer(this);
+            connect(&timer, &QTimer::timeout, d, &QtcProcessPrivate::slotTimeout);
+            timer.setInterval(1000);
+            timer.start();
 #ifdef QT_GUI_LIB
             if (isGuiThread())
                 QApplication::setOverrideCursor(Qt::WaitCursor);
 #endif
-            d->m_eventLoop.exec(QEventLoop::ExcludeUserInputEvents);
+            QEventLoop eventLoop(this);
+            QTC_ASSERT(!d->m_eventLoop, return);
+            d->m_eventLoop = &eventLoop;
+            eventLoop.exec(QEventLoop::ExcludeUserInputEvents);
+            d->m_eventLoop = nullptr;
             d->m_stdOut.append(d->m_process->readAllStandardOutput());
             d->m_stdErr.append(d->m_process->readAllStandardError());
 
-            d->m_timer.stop();
+            timer.stop();
 #ifdef QT_GUI_LIB
             if (isGuiThread())
                 QApplication::restoreOverrideCursor();
@@ -1510,7 +1514,8 @@ void QtcProcessPrivate::slotFinished(int exitCode, QProcess::ExitStatus status)
             m_result = QtcProcess::TerminatedAbnormally;
         break;
     }
-    m_eventLoop.quit();
+    if (m_eventLoop)
+        m_eventLoop->quit();
 
     m_stdOut.handleRest();
     m_stdErr.handleRest();
@@ -1527,7 +1532,8 @@ void QtcProcessPrivate::slotError(QProcess::ProcessError error)
     if (m_result != QtcProcess::Hang)
         m_result = QtcProcess::StartFailed;
     m_startFailure = true;
-    m_eventLoop.quit();
+    if (m_eventLoop)
+        m_eventLoop->quit();
 
     emit q->errorOccurred(error);
 }