diff --git a/src/frostfs_testlib/steps/cli/object.py b/src/frostfs_testlib/steps/cli/object.py
index 72debc2..f28de06 100644
--- a/src/frostfs_testlib/steps/cli/object.py
+++ b/src/frostfs_testlib/steps/cli/object.py
@@ -690,11 +690,13 @@ def neo_go_query_height(shell: Shell, endpoint: str) -> dict:
     latest_block = first_line.split(":")
     # taking second line from command's output contain wallet key
     second_line = output.split("\n")[1]
-    validated_state = second_line.split(":")
-    return {
-        latest_block[0].replace(":", ""): int(latest_block[1]),
-        validated_state[0].replace(":", ""): int(validated_state[1]),
-    }
+    if second_line != "":
+        validated_state = second_line.split(":")
+        return {
+            latest_block[0].replace(":", ""): int(latest_block[1]),
+            validated_state[0].replace(":", ""): int(validated_state[1]),
+        }
+    return {latest_block[0].replace(":", ""): int(latest_block[1])}
 
 
 @wait_for_success()