diff --git a/content/db/cache.ts b/content/db/cache.ts
index f40933ca3..3fbd08531 100644
--- a/content/db/cache.ts
+++ b/content/db/cache.ts
@@ -424,7 +424,7 @@ export const Cache = new class $Cache {
       Zotero.Prefs.clear(del)
     }
 
-    await Zotero.proxyAuthComplete()
+    await Zotero.proxyAuthComplete
 
     this.db = await this.$open('open')
     if (!this.db || !(await this.validate())) {
diff --git a/test/behave b/test/behave
index 5ee773934..bc6915a8e 100755
--- a/test/behave
+++ b/test/behave
@@ -198,8 +198,9 @@ def cancel_proxy():
 def main():
   config = Configuration()
   thread = None
-  thread = threading.Thread(target=cancel_proxy)
-  thread.start()
+  if platform.system() == 'Linux':
+    thread = threading.Thread(target=cancel_proxy)
+    thread.start()
   sys.exit(run_behave(config, runner_class=InstallLastRunner))
   if thread:
     thread.join()