diff --git a/src/plugins/qnx/qnxdebugsupport.cpp b/src/plugins/qnx/qnxdebugsupport.cpp
index d2a44e73f6e..d254b9d954f 100644
--- a/src/plugins/qnx/qnxdebugsupport.cpp
+++ b/src/plugins/qnx/qnxdebugsupport.cpp
@@ -116,7 +116,6 @@ public:
                 arguments.append(QmlDebug::qmlDebugTcpArguments(QmlDebug::QmlDebuggerServices,
                                                                 portsGatherer->qmlServer()));
             }
-            arguments.append(ProcessArgs::splitArgs(r.commandLineArguments));
             r.commandLineArguments = ProcessArgs::joinArgs(arguments);
 
             doStart(r, runControl->device());