diff --git a/deltachat-ffi/Cargo.toml b/deltachat-ffi/Cargo.toml
index b297ca65e..e82037ee8 100644
--- a/deltachat-ffi/Cargo.toml
+++ b/deltachat-ffi/Cargo.toml
@@ -12,7 +12,7 @@ categories = ["cryptography", "std", "email"]
 
 [lib]
 name = "deltachat"
-crate-type = ["cdylib"]
+crate-type = ["cdylib", "staticlib"]
 
 [dependencies]
 deltachat = { path = "../", default-features = false }
diff --git a/python/src/deltachat/account.py b/python/src/deltachat/account.py
index 0237b3b91..3e704286f 100644
--- a/python/src/deltachat/account.py
+++ b/python/src/deltachat/account.py
@@ -486,7 +486,7 @@ class Account(object):
         ev = self._evlogger.get_matching("DC_EVENT_INCOMING_MSG")
         return self.get_message_by_id(ev[2])
 
-    def start_threads(self, mvbox=False, sentbox=False):
+    def start_threads(self):
         """ start IMAP/SMTP threads (and configure account if it hasn't happened).
 
         :raises: ValueError if 'addr' or 'mail_pw' are not configured.
@@ -494,7 +494,7 @@ class Account(object):
         """
         if not self.is_configured():
             self.configure()
-        self._threads.start(mvbox=mvbox, sentbox=sentbox)
+        self._threads.start()
 
     def stop_threads(self, wait=True):
         """ stop IMAP/SMTP threads. """
diff --git a/python/tests/conftest.py b/python/tests/conftest.py
index 05896cb8c..00c47bb53 100644
--- a/python/tests/conftest.py
+++ b/python/tests/conftest.py
@@ -182,7 +182,7 @@ def acfactory(pytestconfig, tmpdir, request, session_liveconfig):
         def get_online_configuring_account(self, mvbox=False, sentbox=False):
             ac, configdict = self.get_online_config()
             ac.configure(**configdict)
-            ac.start_threads(mvbox=mvbox, sentbox=sentbox)
+            ac.start_threads()
             return ac
 
         def get_one_online_account(self):