diff --git a/src/libcalamares/utils/Runner.cpp b/src/libcalamares/utils/Runner.cpp
index db783f676..36bb1bd2b 100644
--- a/src/libcalamares/utils/Runner.cpp
+++ b/src/libcalamares/utils/Runner.cpp
@@ -94,12 +94,6 @@ namespace Calamares
 namespace Utils
 {
 
-struct Runner::Private
-{
-    QProcess m_process;
-};
-
-
 Runner::Runner() {}
 
 
@@ -147,6 +141,20 @@ Calamares::Utils::Runner::run()
         process.setArguments( m_command );
     }
 
+    if ( m_output )
+    {
+        connect( &process, &QProcess::readyReadStandardOutput, [this, &process]() {
+            while ( process.canReadLine() )
+            {
+                QString s = process.readLine();
+                if ( !s.isEmpty() )
+                {
+                    Q_EMIT this->output( s );
+                }
+            }
+        } );
+    }
+
     cDebug() << Logger::SubEntry << "Running" << Logger::Redacted( m_command );
     process.start();
     if ( !process.waitForStarted() )
diff --git a/src/libcalamares/utils/Runner.h b/src/libcalamares/utils/Runner.h
index b41da07ab..510ddf098 100644
--- a/src/libcalamares/utils/Runner.h
+++ b/src/libcalamares/utils/Runner.h
@@ -109,10 +109,6 @@ private:
     QString m_input;
     std::chrono::milliseconds m_timeout { 0 };
     bool m_output = false;
-
-    // Internals for when it really does run
-    struct Private;
-    std::unique_ptr< Private > d;
 };
 
 }  // namespace Utils