diff --git a/internal_packages/category-picker/spec/category-picker-spec.cjsx b/internal_packages/category-picker/spec/category-picker-spec.cjsx
index 58c239e10..37591beb0 100644
--- a/internal_packages/category-picker/spec/category-picker-spec.cjsx
+++ b/internal_packages/category-picker/spec/category-picker-spec.cjsx
@@ -39,9 +39,10 @@ describe 'CategoryPickerPopover', ->
     @archiveCategory = new Category(id: 'id-456', name: 'archive', displayName: "ArCHIVe", accountId: TEST_ACCOUNT_ID)
     @userCategory = new Category(id: 'id-789', name: null, displayName: "MyCategory", accountId: TEST_ACCOUNT_ID)
 
-    spyOn(Categories, "forAccount").andReturn NylasTestUtils.mockObservable(
-      [@inboxCategory, @archiveCategory, @userCategory]
-    )
+    observable = NylasTestUtils.mockObservable([@inboxCategory, @archiveCategory, @userCategory])
+    observable.sort = () => observable
+    
+    spyOn(Categories, "forAccount").andReturn observable
     spyOn(CategoryStore, "getStandardCategory").andReturn @inboxCategory
     spyOn(AccountStore, "accountForItems").andReturn @account
     spyOn(Actions, "closePopover")