diff --git a/beem/steem.py b/beem/steem.py
index 55b4477955dfe4f2fbbeb223bc7277bcc88c473a..0e6dfaa1f4bf22991cad4ba1d4dea9c14745dbbb 100644
--- a/beem/steem.py
+++ b/beem/steem.py
@@ -1896,6 +1896,7 @@ class Steem(object):
                 options.get("extensions", []),
                 "beneficiaries":
                 options.get("beneficiaries", []),
+                "prefix": self.prefix,
             })
         return comment_op