diff --git a/spec/git-repository-async-spec.coffee b/spec/git-repository-async-spec.coffee
index 667da12ef..5cd8e22d1 100644
--- a/spec/git-repository-async-spec.coffee
+++ b/spec/git-repository-async-spec.coffee
@@ -426,7 +426,7 @@ describe "GitRepositoryAsync", ->
         atom.workspace.open('file.txt')
 
       runs ->
-        project2 = Project.deserialize(atom.project.serialize())
+        project2 = atom.project.deserialize(atom.project.serialize(), atom.deserializers)
         buffer = project2.getBuffers()[0]
 
       waitsFor ->