diff --git a/dev-tools/omdb/src/bin/omdb/nexus.rs b/dev-tools/omdb/src/bin/omdb/nexus.rs
index 0828cef892..ede2743404 100644
--- a/dev-tools/omdb/src/bin/omdb/nexus.rs
+++ b/dev-tools/omdb/src/bin/omdb/nexus.rs
@@ -1453,7 +1453,7 @@ fn print_task_details(bgtask: &BackgroundTask, details: &serde_json::Value) {
                 }
             }
         };
-    } else if name == "region_snapshot_replacement" {
+    } else if name == "region_snapshot_replacement_start" {
         match serde_json::from_value::<RegionSnapshotReplacementStartStatus>(
             details.clone(),
         ) {
diff --git a/dev-tools/omdb/tests/successes.out b/dev-tools/omdb/tests/successes.out
index 41c5a15a1c..9d432525c3 100644
--- a/dev-tools/omdb/tests/successes.out
+++ b/dev-tools/omdb/tests/successes.out
@@ -587,7 +587,9 @@ task: "region_snapshot_replacement_start"
   currently executing: no
   last completed activation: <REDACTED ITERATIONS>, triggered by a periodic timer firing
     started at <REDACTED     TIMESTAMP> (<REDACTED DURATION>s ago) and ran for <REDACTED DURATION>ms
-warning: unknown background task: "region_snapshot_replacement_start" (don't know how to interpret details: Object {"errors": Array [], "requests_created_ok": Array [], "start_invoked_ok": Array []})
+    total requests created ok: 0
+    total start saga invoked ok: 0
+    errors: 0
 
 task: "saga_recovery"
   configured period: every 10m
@@ -993,7 +995,9 @@ task: "region_snapshot_replacement_start"
   currently executing: no
   last completed activation: <REDACTED ITERATIONS>, triggered by a periodic timer firing
     started at <REDACTED     TIMESTAMP> (<REDACTED DURATION>s ago) and ran for <REDACTED DURATION>ms
-warning: unknown background task: "region_snapshot_replacement_start" (don't know how to interpret details: Object {"errors": Array [], "requests_created_ok": Array [], "start_invoked_ok": Array []})
+    total requests created ok: 0
+    total start saga invoked ok: 0
+    errors: 0
 
 task: "saga_recovery"
   configured period: every 10m