diff --git a/python/src/deltachat/_build.py b/python/src/deltachat/_build.py
index 687be4ac3..2af24eee8 100644
--- a/python/src/deltachat/_build.py
+++ b/python/src/deltachat/_build.py
@@ -145,6 +145,7 @@ def extract_defines(flags):
                 | DC_STR
                 | DC_CONTACT_ID
                 | DC_GCL
+                | DC_GCM 
                 | DC_SOCKET
                 | DC_CHAT
                 | DC_PROVIDER
diff --git a/python/tests/test_account.py b/python/tests/test_account.py
index 6540b3e85..321215d8d 100644
--- a/python/tests/test_account.py
+++ b/python/tests/test_account.py
@@ -614,7 +614,7 @@ class TestOfflineChat:
 
         lp.sec("check message count of only system messages (without daymarkers)")
         dc_array = ffi.gc(
-            lib.dc_get_chat_msgs(ac1._dc_context, chat.id, 2, 0),  # todo replace `2` with const.DC_GCM_SYSTEM_ONLY
+            lib.dc_get_chat_msgs(ac1._dc_context, chat.id, const.DC_GCM_SYSTEM_ONLY, 0),
             lib.dc_array_unref
         )
         assert len(list(iter_array(dc_array, lambda x: x))) == 2