diff --git a/waku/waku_rln_relay/group_manager/on_chain/group_manager.nim b/waku/waku_rln_relay/group_manager/on_chain/group_manager.nim
index b27891fec..edb94e352 100644
--- a/waku/waku_rln_relay/group_manager/on_chain/group_manager.nim
+++ b/waku/waku_rln_relay/group_manager/on_chain/group_manager.nim
@@ -172,7 +172,7 @@ proc fetchMerkleProofElements*(
       element = responseBytes.toOpenArray(startIndex, endIndex)
       merkleProof.add(element)
       i += 1
-      debug "---- element ----", i = i, element = element
+      debug "---- element ----", startIndex = startIndex, startElement = responseBytes[startIndex], endIndex = endIndex, endElement = responseBytes[endIndex], element = element
 
     # debug "merkleProof", responseBytes = responseBytes, merkleProof = merkleProof