diff --git a/memberPlumbing/MembershipWorks.py b/memberPlumbing/MembershipWorks.py
index fbc0d0e..2349103 100644
--- a/memberPlumbing/MembershipWorks.py
+++ b/memberPlumbing/MembershipWorks.py
@@ -210,7 +210,7 @@ class MembershipWorks:
         r = self._get_v1(
             BASE_URL + "/v1/csv",
             params={
-                "crm": "12,13,14,18,19",  # transaction types, see CRM
+                "crm": ",".join(str(k) for k in CRM.keys()),
                 **({"txl": ""} if json else {}),
                 "sdp": start_date.strftime("%s"),
                 "edp": end_date.strftime("%s"),