diff --git a/services/web/app/src/Features/Project/ProjectEntityHandler.js b/services/web/app/src/Features/Project/ProjectEntityHandler.js
index f0bcfaf680..1ba1012c96 100644
--- a/services/web/app/src/Features/Project/ProjectEntityHandler.js
+++ b/services/web/app/src/Features/Project/ProjectEntityHandler.js
@@ -333,7 +333,7 @@ const ProjectEntityHandler = {
         return callback(err)
       }
       if (project == null) {
-        return callback(Errors.NotFoundError('no project'))
+        return callback(new Errors.NotFoundError('no project'))
       }
       return ProjectEntityHandler._getAllFoldersFromProject(project, callback)
     })
diff --git a/services/web/app/src/Features/V1/V1Api.js b/services/web/app/src/Features/V1/V1Api.js
index a0e93ee2ae..e0516ce9ec 100644
--- a/services/web/app/src/Features/V1/V1Api.js
+++ b/services/web/app/src/Features/V1/V1Api.js
@@ -74,6 +74,14 @@ module.exports = V1Api = {
       error = new Errors.ForbiddenError('overleaf v1 returned forbidden')
       error.statusCode = response.statusCode
       return callback(error)
+    } else if (response.statusCode === 404) {
+      error = new Errors.NotFoundError(
+        `overleaf v1 returned non-success code: ${response.statusCode} ${
+          options.method
+        } ${options.uri}`
+      )
+      error.statusCode = response.statusCode
+      return callback(error)
     } else {
       error = new Error(
         `overleaf v1 returned non-success code: ${response.statusCode} ${