diff --git a/src/plugins/projectexplorer/projectexplorer.cpp b/src/plugins/projectexplorer/projectexplorer.cpp
index aa1c75f4286..11a3206a5bd 100644
--- a/src/plugins/projectexplorer/projectexplorer.cpp
+++ b/src/plugins/projectexplorer/projectexplorer.cpp
@@ -1144,7 +1144,7 @@ bool ProjectExplorerPlugin::initialize(const QStringList &arguments, QString *er
 
     expander->registerVariable(Constants::VAR_CURRENTPROJECT_NAME,
         tr("The current project's name."),
-        []() -> QString {
+        [this]() -> QString {
             Project *project = ProjectExplorerPlugin::currentProject();
             return project ? project->displayName() : QString();
         });