diff --git a/src/frostfs_testlib/steps/cli/object.py b/src/frostfs_testlib/steps/cli/object.py
index cd58ec3..3e0806c 100644
--- a/src/frostfs_testlib/steps/cli/object.py
+++ b/src/frostfs_testlib/steps/cli/object.py
@@ -615,6 +615,11 @@ def head_object(
         fst_line_idx = result.stdout.find("\n")
         decoded = json.loads(result.stdout[fst_line_idx:])
 
+    # if response
+    if "chunks" in decoded.keys():
+        logger.info("decoding ec chunks")
+        return decoded["chunks"]
+
     # If response is Complex Object header, it has `splitId` key
     if "splitId" in decoded.keys():
         logger.info("decoding split header")