diff --git a/src/plugins/projectexplorer/buildstep.h b/src/plugins/projectexplorer/buildstep.h
index 81ba409470e..0796b87582a 100644
--- a/src/plugins/projectexplorer/buildstep.h
+++ b/src/plugins/projectexplorer/buildstep.h
@@ -33,6 +33,7 @@
 #include <QFutureInterface>
 #include <QWidget>
 
+#include <atomic>
 #include <functional>
 #include <memory>