diff --git a/src/plugins/projectexplorer/projectexplorer.qbs b/src/plugins/projectexplorer/projectexplorer.qbs
index feab87da1ba..bce24dc1361 100644
--- a/src/plugins/projectexplorer/projectexplorer.qbs
+++ b/src/plugins/projectexplorer/projectexplorer.qbs
@@ -154,6 +154,7 @@ QtcPlugin {
             "vcsannotatetaskhandler.cpp", "vcsannotatetaskhandler.h",
             "waitforstopdialog.cpp", "waitforstopdialog.h",
             "windebuginterface.cpp", "windebuginterface.h",
+            "workspaceproject.cpp", "workspaceproject.h",
             "xcodebuildparser.cpp", "xcodebuildparser.h"
         ]
     }