diff --git a/src/plugins/valgrind/memchecktool.cpp b/src/plugins/valgrind/memchecktool.cpp
index 4a353f7e908..89cf1b0351b 100644
--- a/src/plugins/valgrind/memchecktool.cpp
+++ b/src/plugins/valgrind/memchecktool.cpp
@@ -1058,12 +1058,12 @@ void MemcheckToolPrivate::loadXmlLogFile(const QString &filePath)
     auto parser = new ThreadedParser;
     connect(parser, &ThreadedParser::error,
             this, &MemcheckToolPrivate::parserError);
-    connect(parser, &ThreadedParser::internalError,
-            this, &MemcheckToolPrivate::internalParserError);
-    connect(parser, &ThreadedParser::finished,
-            this, &MemcheckToolPrivate::loadingExternalXmlLogFileFinished);
-    connect(parser, &ThreadedParser::finished,
-            parser, &ThreadedParser::deleteLater);
+    connect(parser, &ThreadedParser::done, this, [this, parser](bool success, const QString &err) {
+        if (!success)
+            internalParserError(err);
+        loadingExternalXmlLogFileFinished();
+        parser->deleteLater();
+    });
 
     parser->parse(logFile); // ThreadedParser owns the file
 }
diff --git a/src/plugins/valgrind/valgrindrunner.cpp b/src/plugins/valgrind/valgrindrunner.cpp
index 804167b7bce..bfbf168faae 100644
--- a/src/plugins/valgrind/valgrindrunner.cpp
+++ b/src/plugins/valgrind/valgrindrunner.cpp
@@ -162,7 +162,10 @@ ValgrindRunner::ValgrindRunner(QObject *parent)
 {
     connect(&d->m_parser, &ThreadedParser::status, this, &ValgrindRunner::status);
     connect(&d->m_parser, &ThreadedParser::error, this, &ValgrindRunner::error);
-    connect(&d->m_parser, &ThreadedParser::internalError, this, &ValgrindRunner::internalError);
+    connect(&d->m_parser, &ThreadedParser::done, this, [this](bool success, const QString &err) {
+        if (!success)
+            emit internalError(err);
+    });
 }
 
 ValgrindRunner::~ValgrindRunner()
diff --git a/src/plugins/valgrind/xmlprotocol/parser.cpp b/src/plugins/valgrind/xmlprotocol/parser.cpp
index b3e6a41c0b9..790a383d69c 100644
--- a/src/plugins/valgrind/xmlprotocol/parser.cpp
+++ b/src/plugins/valgrind/xmlprotocol/parser.cpp
@@ -318,12 +318,6 @@ static Status::State parseState(const QString &state)
     throw ParserException(Tr::tr("Unknown state \"%1\"").arg(state));
 }
 
-void Parser::Private::reportInternalError(const QString &e)
-{
-    errorString = e;
-    emit q->internalError(e);
-}
-
 static Stack makeStack(const XauxWhat &xauxwhat, const QList<Frame> &frames)
 {
     Stack s;
@@ -618,7 +612,9 @@ void Parser::Private::parse(QIODevice *device)
 {
     QTC_ASSERT(device, return);
     reader.setDevice(device);
+    errorString.clear();
 
+    bool success = true;
     try {
         while (notAtEnd()) {
             blockingReadNext();
@@ -639,11 +635,13 @@ void Parser::Private::parse(QIODevice *device)
                 checkTool(blockingReadElementText());
         }
     } catch (const ParserException &e) {
-        reportInternalError(e.message());
+        errorString = e.message();
+        success = false;
     } catch (...) {
-        reportInternalError(Tr::tr("Unexpected exception caught during parsing."));
+        errorString = Tr::tr("Unexpected exception caught during parsing.");
+        success = false;
     }
-    emit q->finished();
+    emit q->done(success, errorString);
 }
 
 Parser::Parser(QObject *parent)
diff --git a/src/plugins/valgrind/xmlprotocol/parser.h b/src/plugins/valgrind/xmlprotocol/parser.h
index 069696cba64..b38d9058953 100644
--- a/src/plugins/valgrind/xmlprotocol/parser.h
+++ b/src/plugins/valgrind/xmlprotocol/parser.h
@@ -33,11 +33,10 @@ public:
 signals:
     void status(const Valgrind::XmlProtocol::Status &status);
     void error(const Valgrind::XmlProtocol::Error &error);
-    void internalError(const QString &errorString);
     void errorCount(qint64 unique, qint64 count);
     void suppressionCount(const QString &name, qint64 count);
     void announceThread(const Valgrind::XmlProtocol::AnnounceThread &announceThread);
-    void finished();
+    void done(bool success, const QString &errorString);
 
 private:
     class Private;
diff --git a/src/plugins/valgrind/xmlprotocol/threadedparser.cpp b/src/plugins/valgrind/xmlprotocol/threadedparser.cpp
index d7385e60943..af38da7bcfe 100644
--- a/src/plugins/valgrind/xmlprotocol/threadedparser.cpp
+++ b/src/plugins/valgrind/xmlprotocol/threadedparser.cpp
@@ -50,9 +50,7 @@ void ThreadedParser::parse(QIODevice *device)
     qRegisterMetaType<Error>();
     connect(parser, &Parser::status, this, &ThreadedParser::status, Qt::QueuedConnection);
     connect(parser, &Parser::error, this, &ThreadedParser::error, Qt::QueuedConnection);
-    connect(parser, &Parser::internalError, this, &ThreadedParser::internalError,
-            Qt::QueuedConnection);
-    connect(parser, &Parser::finished, this, &ThreadedParser::finished, Qt::QueuedConnection);
+    connect(parser, &Parser::done, this, &ThreadedParser::done, Qt::QueuedConnection);
 
     m_parserThread = new Thread;
     connect(m_parserThread.get(), &QThread::finished, m_parserThread.get(), &QObject::deleteLater);
diff --git a/src/plugins/valgrind/xmlprotocol/threadedparser.h b/src/plugins/valgrind/xmlprotocol/threadedparser.h
index c88abf3fe68..8def97f00c5 100644
--- a/src/plugins/valgrind/xmlprotocol/threadedparser.h
+++ b/src/plugins/valgrind/xmlprotocol/threadedparser.h
@@ -37,8 +37,7 @@ public:
 signals:
     void status(const Status &status);
     void error(const Error &error);
-    void internalError(const QString &errorString);
-    void finished();
+    void done(bool success, const QString &errorString);
 
 private:
     QPointer<Thread> m_parserThread;