diff --git a/src/plugins/squish/scripthelper.cpp b/src/plugins/squish/scripthelper.cpp
index 0047ea37aa2..18c605b3d81 100644
--- a/src/plugins/squish/scripthelper.cpp
+++ b/src/plugins/squish/scripthelper.cpp
@@ -20,7 +20,7 @@ static QByteArray startApplication(Language language,
                                                   : application;
     QStringList parameters;
     parameters << app;
-    if (args.isEmpty())
+    if (!args.isEmpty())
         parameters << QString(args).replace('"', "\\\"");
 
     switch (language) {