diff --git a/changes/bug2683a b/changes/bug2683a
new file mode 100644
index 0000000000000000000000000000000000000000..2fe308b0304a19a911bf341a4aaa620ceebb0243
--- /dev/null
+++ b/changes/bug2683a
@@ -0,0 +1,3 @@
+  o Minor features
+    - Log the source of a rejected POSTed v3 networkstatus vote.
+
diff --git a/src/or/directory.c b/src/or/directory.c
index f8d587f35c889bfc0082e1704e397ce534526395..00de1f2f80f065dd5e31c53312c23b3eb73a4ba9 100644
--- a/src/or/directory.c
+++ b/src/or/directory.c
@@ -3259,6 +3259,8 @@ directory_handle_command_post(dir_connection_t *conn, const char *headers,
       write_http_status_line(conn, status, "Vote stored");
     } else {
       tor_assert(msg);
+      log_warn(LD_DIRSERV, "Rejected vote from %s (\"%s\").",
+               conn->_base.address, msg);
       write_http_status_line(conn, status, msg);
     }
     goto done;