diff --git a/src/plugins/coreplugin/coreplugin.qbs b/src/plugins/coreplugin/coreplugin.qbs
index 7ea4afa2f82..ea6218ba165 100644
--- a/src/plugins/coreplugin/coreplugin.qbs
+++ b/src/plugins/coreplugin/coreplugin.qbs
@@ -100,6 +100,7 @@ QtcPlugin {
             "variablemanager.cpp", "variablemanager.h",
             "vcsmanager.cpp", "vcsmanager.h",
             "versiondialog.cpp", "versiondialog.h",
+            "windowsupport.cpp", "windowsupport.h"
         ]
     }