diff --git a/waku/waku_rln_relay/group_manager/group_manager_base.nim b/waku/waku_rln_relay/group_manager/group_manager_base.nim
index 7911463a1..8764222f2 100644
--- a/waku/waku_rln_relay/group_manager/group_manager_base.nim
+++ b/waku/waku_rln_relay/group_manager/group_manager_base.nim
@@ -155,7 +155,7 @@ method validateRoot*(
     first = false
   rootsStr.add("]")
   debug "Valid Merkle roots in validateRoot", roots = rootsStr, root_to_validate = root
-  
+
   # Check if the root is in the valid roots queue
   if g.indexOfRoot(root) >= 0:
     return true
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 100ab6cfd..c9156c846 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
@@ -103,6 +103,12 @@ proc fetchMerkleProofElements*(
     let membershipIndexUint256 = stuint(membershipIndex, 256)
     let index40 = stuint(membershipIndex, 40)
 
+    debug "------ checking if membership index is validity ------",
+      membershipIndex = membershipIndex,
+      membershipIndexUint256 = membershipIndexUint256,
+      currentCommitmentIndex = currentCommitmentIndex,    
+      index40 = index40
+
     if membershipIndexUint256 >= currentCommitmentIndex:
       return err(
         "Invalid membership index: " & $membershipIndex &