diff --git a/src/plugins/debugger/debuggerdialogs.cpp b/src/plugins/debugger/debuggerdialogs.cpp
index 872c0f027f2..ddbe655a275 100644
--- a/src/plugins/debugger/debuggerdialogs.cpp
+++ b/src/plugins/debugger/debuggerdialogs.cpp
@@ -411,6 +411,7 @@ bool StartApplicationDialog::run(QWidget *parent, DebuggerRunParameters *rp, Kit
     rp->breakOnMain = newParameters.breakAtMain;
     rp->serverStartScript = newParameters.serverStartScript;
     rp->debugInfoLocation = newParameters.debugInfoLocation;
+    rp->languages = CppLanguage;
 
     Kit *k = dialog.d->kitChooser->currentKit();
     IDevice::ConstPtr dev = DeviceKitInformation::device(k);