diff --git a/internal/sla/queries.sql b/internal/sla/queries.sql
index 935551f0..5b3a04d2 100644
--- a/internal/sla/queries.sql
+++ b/internal/sla/queries.sql
@@ -75,9 +75,9 @@ SET next_sla_deadline_at = CASE
     -- If resolved or closed, clear the deadline
     WHEN c.status_id IN (SELECT id FROM conversation_statuses WHERE name IN ('Resolved', 'Closed')) THEN NULL
 
-    -- If an external timestamp ($3) is provided (e.g. next_response), use the earliest of $3.
-    WHEN $3 IS NOT NULL THEN LEAST(
-        $3::TIMESTAMPTZ,
+    -- If an external timestamp ($2) is provided (e.g. next_response), use the earliest of $2.
+    WHEN $2::TIMESTAMPTZ IS NOT NULL THEN LEAST(
+        $2::TIMESTAMPTZ,
         CASE
             WHEN c.first_reply_at IS NOT NULL AND c.resolved_at IS NULL AND a.resolution_deadline_at IS NOT NULL THEN a.resolution_deadline_at
             WHEN c.first_reply_at IS NULL AND c.resolved_at IS NULL AND a.first_response_deadline_at IS NOT NULL THEN a.first_response_deadline_at
@@ -86,7 +86,7 @@ SET next_sla_deadline_at = CASE
         END
     )
 
-    -- No $3,
+    -- No $2,
     ELSE CASE
         WHEN c.first_reply_at IS NOT NULL AND c.resolved_at IS NULL AND a.resolution_deadline_at IS NOT NULL THEN a.resolution_deadline_at
         WHEN c.first_reply_at IS NULL AND c.resolved_at IS NULL AND a.first_response_deadline_at IS NOT NULL THEN a.first_response_deadline_at