diff --git a/Makefile b/Makefile
index 075033e..11046ed 100644
--- a/Makefile
+++ b/Makefile
@@ -117,7 +117,7 @@ setup-for-sbercloud:
 	echo NEOFS_ADM_EXEC="neofs-adm" >> .env
 	echo NEOFS_ADM_CONFIG_PATH="/.setup/config.yaml" >> .env
 	# env: SSH connection to storage node host and bin directory on that host
-	echo STORAGE_NODE_SSH_USER="root" >> .env
+	echo STORAGE_NODE_SSH_USER="alex" >> .env
 	echo STORAGE_NODE_SSH_PRIVATE_KEY_PATH="/.setup/id_rsa" >> .env
 	echo STORAGE_NODE_BIN_PATH="/usr/bin" >> .env
 	# env: s3 gateway public key
diff --git a/robot/resources/lib/python_keywords/json_transformers.py b/robot/resources/lib/python_keywords/json_transformers.py
index f2da27b..fafc136 100644
--- a/robot/resources/lib/python_keywords/json_transformers.py
+++ b/robot/resources/lib/python_keywords/json_transformers.py
@@ -152,7 +152,7 @@ def decode_common_fields(data: dict):
     header["payloadHash"] = json_reencode(header["payloadHash"]["sum"])
     header["version"] = f"{header['version']['major']}{header['version']['minor']}"
     # Homomorphic hash is optional and its calculation might be disabled in trusted network
-    if "homomorphicHash" in header:
+    if header.get("homomorphicHash"):
         header["homomorphicHash"] = json_reencode(header["homomorphicHash"]["sum"])
 
     return data