diff --git a/qbs/modules/pluginjson/pluginjson.qbs b/qbs/modules/pluginjson/pluginjson.qbs
index eccd53c85bd..e210731f0bf 100644
--- a/qbs/modules/pluginjson/pluginjson.qbs
+++ b/qbs/modules/pluginjson/pluginjson.qbs
@@ -19,7 +19,7 @@ Module {
             // TODO: Could something like this be incorporated into the vcs module?
             //       Currently, the default repo dir is project.sourceDirectory, which
             //       does not make sense for Qt Creator.
-            var dir = sourceDirectory;
+            var dir = product.sourceDirectory;
             while (true) {
                 if (File.exists(FileInfo.joinPaths(dir, ".git")))
                     return dir;