diff --git a/test_runner/regress/test_attach_tenant_config.py b/test_runner/regress/test_attach_tenant_config.py
index 39d0f75799..fe4d134b93 100644
--- a/test_runner/regress/test_attach_tenant_config.py
+++ b/test_runner/regress/test_attach_tenant_config.py
@@ -188,7 +188,7 @@ def test_fully_custom_config(positive_env: NeonEnv):
             "max": 1000,
         },
         "trace_read_requests": True,
-        "image_layer_compression": "LZ4",
+        "image_layer_compression": "NoCompression",
         "walreceiver_connect_timeout": "13m",
     }