diff --git a/internal/report/queries.sql b/internal/report/queries.sql
index 4a9ec225..bb64bb98 100644
--- a/internal/report/queries.sql
+++ b/internal/report/queries.sql
@@ -6,7 +6,7 @@ SELECT
         'awaiting_response',
         COUNT(
             CASE
-                WHEN COALESCE(c.meta->'last_message'->>'sender_type', c.last_message_sender) = 'contact' THEN 1
+                WHEN COALESCE(c.meta->'last_message'->>'sender_type', c.last_message_sender::text) = 'contact' THEN 1
             END
         ),
         'unassigned',