diff --git a/src/libs/utils/shellcommand.cpp b/src/libs/utils/shellcommand.cpp
index 49b6134a11c..59c7f97fd0d 100644
--- a/src/libs/utils/shellcommand.cpp
+++ b/src/libs/utils/shellcommand.cpp
@@ -328,9 +328,9 @@ Utils::SynchronousProcessResponse ShellCommand::runCommand(const Utils::FileName
         proxy->appendCommand(dir, binary, arguments);
 
     if (d->m_flags & FullySynchronously || QThread::currentThread() == QCoreApplication::instance()->thread())
-        response = runFullySynchronous(binary, arguments, proxy.data(), timeoutS, dir, interpreter);
+        response = runFullySynchronous(binary, arguments, proxy, timeoutS, dir, interpreter);
     else
-        response = runSynchronous(binary, arguments, proxy.data(), timeoutS, dir, interpreter);
+        response = runSynchronous(binary, arguments, proxy, timeoutS, dir, interpreter);
 
     if (!d->m_aborted) {
         // Success/Fail message in appropriate window?
@@ -347,7 +347,7 @@ Utils::SynchronousProcessResponse ShellCommand::runCommand(const Utils::FileName
 
 Utils::SynchronousProcessResponse ShellCommand::runFullySynchronous(const Utils::FileName &binary,
                                                                     const QStringList &arguments,
-                                                                    OutputProxy *proxy,
+                                                                    QSharedPointer<OutputProxy> proxy,
                                                                     int timeoutS,
                                                                     const QString &workingDirectory,
                                                                     const ExitCodeInterpreter &interpreter)
@@ -387,7 +387,7 @@ Utils::SynchronousProcessResponse ShellCommand::runFullySynchronous(const Utils:
 
 SynchronousProcessResponse ShellCommand::runSynchronous(const FileName &binary,
                                                         const QStringList &arguments,
-                                                        OutputProxy *proxy,
+                                                        QSharedPointer<OutputProxy> proxy,
                                                         int timeoutS,
                                                         const QString &workingDirectory,
                                                         const ExitCodeInterpreter &interpreter)
diff --git a/src/libs/utils/shellcommand.h b/src/libs/utils/shellcommand.h
index 58527c4fe39..ce5957c40af 100644
--- a/src/libs/utils/shellcommand.h
+++ b/src/libs/utils/shellcommand.h
@@ -168,12 +168,12 @@ private:
 
     // Run without a event loop in fully blocking mode. No signals will be delivered.
     SynchronousProcessResponse runFullySynchronous(const FileName &binary, const QStringList &arguments,
-                                                   OutputProxy *proxy,
+                                                   QSharedPointer<OutputProxy> proxy,
                                                    int timeoutS, const QString &workingDirectory,
                                                    const ExitCodeInterpreter &interpreter = defaultExitCodeInterpreter);
     // Run with an event loop. Signals will be delivered.
     SynchronousProcessResponse runSynchronous(const FileName &binary, const QStringList &arguments,
-                                              OutputProxy *proxy,
+                                              QSharedPointer<OutputProxy> proxy,
                                               int timeoutS, const QString &workingDirectory,
                                               const ExitCodeInterpreter &interpreter = defaultExitCodeInterpreter);