diff --git a/test_runner/regress/test_storage_scrubber.py b/test_runner/regress/test_storage_scrubber.py
index 198e4f0460..220c428531 100644
--- a/test_runner/regress/test_storage_scrubber.py
+++ b/test_runner/regress/test_storage_scrubber.py
@@ -266,7 +266,9 @@ def test_scrubber_physical_gc_ancestors(neon_env_builder: NeonEnvBuilder, shard_
     for shard in shards:
         ps = env.get_tenant_pageserver(shard)
         assert ps is not None
-        ps.http_client().timeline_compact(shard, timeline_id, force_image_layer_creation=True)
+        ps.http_client().timeline_compact(
+            shard, timeline_id, force_image_layer_creation=True, wait_until_uploaded=True
+        )
         ps.http_client().timeline_gc(shard, timeline_id, 0)
 
     # We will use a min_age_secs=1 threshold for deletion, let it pass