diff --git a/src/plugins/mesonprojectmanager/mesonprocess.cpp b/src/plugins/mesonprojectmanager/mesonprocess.cpp
index da6afe8656e..fbd659ec8af 100644
--- a/src/plugins/mesonprojectmanager/mesonprocess.cpp
+++ b/src/plugins/mesonprojectmanager/mesonprocess.cpp
@@ -85,6 +85,8 @@ void MesonProcess::setupProcess(const Command &command,
                                 const Environment env,
                                 bool captureStdo)
 {
+    if (m_process)
+        m_process.release()->deleteLater();
     m_process.reset(new QtcProcess);
     connect(m_process.get(), &QtcProcess::done, this, &MesonProcess::handleProcessDone);
     if (!captureStdo) {
diff --git a/src/plugins/mesonprojectmanager/mesonprojectparser.cpp b/src/plugins/mesonprojectmanager/mesonprojectparser.cpp
index dfa8da8e172..8ba63bc0961 100644
--- a/src/plugins/mesonprojectmanager/mesonprojectparser.cpp
+++ b/src/plugins/mesonprojectmanager/mesonprojectparser.cpp
@@ -196,20 +196,18 @@ QList<ProjectExplorer::BuildTargetInfo> MesonProjectParser::appsTargets() const
     }
     return apps;
 }
+
 bool MesonProjectParser::startParser()
 {
     m_parserFutureResult = Utils::runAsync(
-        ProjectExplorer::ProjectExplorerPlugin::sharedThreadPool(),
-        [process = &m_process,
-         introType = m_introType,
-         buildDir = m_buildDir.toString(),
-         srcDir = m_srcDir]() {
-            if (introType == IntroDataType::file) {
-                return extractParserResults(srcDir, MesonInfoParser::parse(buildDir));
-            } else {
-                return extractParserResults(srcDir, MesonInfoParser::parse(process->stdOut()));
-            }
-        });
+                ProjectExplorer::ProjectExplorerPlugin::sharedThreadPool(),
+                [processOutput = m_process.stdOut(), introType = m_introType,
+                buildDir = m_buildDir.toString(), srcDir = m_srcDir] {
+        if (introType == IntroDataType::file)
+            return extractParserResults(srcDir, MesonInfoParser::parse(buildDir));
+        else
+            return extractParserResults(srcDir, MesonInfoParser::parse(processOutput));
+    });
 
     Utils::onFinished(m_parserFutureResult, this, &MesonProjectParser::update);
     return true;