diff --git a/src/sentry/integrations/slack/notify_action.py b/src/sentry/integrations/slack/notify_action.py
index ca3e31aa6ae951..06f63450aec92c 100644
--- a/src/sentry/integrations/slack/notify_action.py
+++ b/src/sentry/integrations/slack/notify_action.py
@@ -53,7 +53,11 @@ def __init__(self, *args: Any, **kwargs: Any) -> None:
         self._pending_save = False
 
     def clean(self) -> Mapping[str, Any]:
-        channel_id = self.data.get("inputChannelId") or self.data.get("input_channel_id")
+        channel_id = (
+            self.data.get("inputChannelId")
+            or self.data.get("input_channel_id")
+            or self.data.get("channel_id")
+        )
         if channel_id:
             logger.info(
                 "rule.slack.provide_channel_id",
diff --git a/tests/sentry/api/endpoints/test_project_rule_details.py b/tests/sentry/api/endpoints/test_project_rule_details.py
index 247d0a2a610d79..23c1e7828cf7d3 100644
--- a/tests/sentry/api/endpoints/test_project_rule_details.py
+++ b/tests/sentry/api/endpoints/test_project_rule_details.py
@@ -411,6 +411,7 @@ def test_update_channel_slack(self):
         )
 
         actions[0]["channel"] = "#new_channel_name"
+        actions[0]["channel_id"] = "new_channel_id"
 
         url = reverse(
             "sentry-api-0-project-rule-details",
@@ -436,6 +437,13 @@ def test_update_channel_slack(self):
             content_type="application/json",
             body=json.dumps(channels),
         )
+        responses.add(
+            method=responses.GET,
+            url="https://slack.com/api/conversations.info",
+            status=200,
+            content_type="application/json",
+            body=json.dumps({"ok": channels["ok"], "channel": channels["channels"][1]}),
+        )
 
         response = self.client.put(
             url,
@@ -502,14 +510,20 @@ def test_update_channel_slack_workspace_fail(self):
                 {"name": "new_channel_name", "id": "new_channel_id"},
             ],
         }
-
         responses.add(
             method=responses.GET,
-            url="https://slack.com/api/channels.list",
+            url="https://slack.com/api/conversations.list",
             status=200,
             content_type="application/json",
             body=json.dumps(channels),
         )
+        responses.add(
+            method=responses.GET,
+            url="https://slack.com/api/conversations.info",
+            status=200,
+            content_type="application/json",
+            body=json.dumps({"ok": channels["ok"], "channel": channels["channels"][0]}),
+        )
 
         response = self.client.put(
             url,
@@ -574,7 +588,7 @@ def test_slack_channel_id_saved(self):
                         "name": "Send a notification to the funinthesun Slack workspace to #team-team-team and show tags [] in notification",
                         "workspace": integration.id,
                         "channel": "#team-team-team",
-                        "input_channel_id": "CSVK0921",
+                        "channel_id": "CSVK0921",
                     }
                 ],
                 "conditions": [