diff --git a/internal/cli/incident.go b/internal/cli/incident.go
index 52d9908..90e4b3a 100644
--- a/internal/cli/incident.go
+++ b/internal/cli/incident.go
@@ -124,7 +124,9 @@ func newIncidentListCmd() *cobra.Command {
 	cmd.Flags().StringVar(&severity, "severity", "", "Filter: Critical,Warning,Info")
 	registerEnumFlag(cmd, "progress", "Triggered", "Processing", "Closed")
 	registerEnumFlag(cmd, "severity", severityEnum...)
-	cmd.Flags().Int64Var(&channelID, "channel", 0, "Filter by channel ID")
+	// --channel-id matches the sibling channel commands (channel info
+	// --channel-id, channel escalate-rule-list --channel-id).
+	cmd.Flags().Int64Var(&channelID, "channel-id", 0, "Filter by channel ID")
 	cmd.Flags().StringVar(&query, "query", "", "Free-text search across title/labels/content (also resolves a 24-char incident ID or 6-char incident num to a direct lookup)")
 	cmd.Flags().StringVar(&nums, "nums", "", "Comma-separated short incident ids (num, the 6-char id shown in the UI) to filter by")
 	cmd.Flags().StringVar(&since, "since", "24h", "Start time (duration, date, datetime, or unix timestamp; --since→--until window must be < 31 days)")
diff --git a/internal/cli/incident_test.go b/internal/cli/incident_test.go
index 6345754..61156a7 100644
--- a/internal/cli/incident_test.go
+++ b/internal/cli/incident_test.go
@@ -1,6 +1,7 @@
 package cli
 
 import (
+	"fmt"
 	"testing"
 )
 
@@ -26,3 +27,23 @@ func TestCommandIncidentSimilarLimitReachesWire(t *testing.T) {
 		t.Errorf("incident_id = %#v, want inc-1", stub.lastBody["incident_id"])
 	}
 }
+
+// TestCommandIncidentListChannelIDFlag verifies that `incident list` accepts
+// the canonical --channel-id flag (consistent with the sibling channel
+// commands, e.g. `channel info --channel-id`) and forwards it to /incident/list
+// as channel_ids. An agent that transferred --channel-id from those commands
+// previously hit "unknown flag: --channel-id" and wasted a turn.
+func TestCommandIncidentListChannelIDFlag(t *testing.T) {
+	saveAndResetGlobals(t)
+	stub := newGFStub(t)
+
+	if _, err := execCommand("incident", "list", "--channel-id", "123"); err != nil {
+		t.Fatalf("execCommand --channel-id: %v", err)
+	}
+	if stub.lastPath != "/incident/list" {
+		t.Fatalf("path = %q, want /incident/list", stub.lastPath)
+	}
+	if got, want := fmt.Sprint(stub.lastBody["channel_ids"]), "[123]"; got != want {
+		t.Fatalf("channel_ids = %q, want %q", got, want)
+	}
+}