diff --git a/modules/chain/dap_chain_ch.c b/modules/chain/dap_chain_ch.c
index 57ef34f7f47d99972b8707025635686e5fe538b3..98eef65ffe41e75028818a9269659657618a5404 100644
--- a/modules/chain/dap_chain_ch.c
+++ b/modules/chain/dap_chain_ch.c
@@ -618,32 +618,32 @@ static bool s_sync_in_chains_callback(void *a_arg)
         DAP_DELETE(l_args);
         return false;
     }
-    dap_hash_str_t l_atom_hash_str = { };
+    char *l_atom_hash_str = NULL;
     dap_hash_fast_t l_atom_hash = { }; 
     dap_hash_fast(l_atom, l_atom_size, &l_atom_hash); 
     if (s_debug_more)
-        l_atom_hash_str = dap_get_data_hash_str(l_atom, l_atom_size);
+        l_atom_hash_str = dap_hash_fast_to_str_static(&l_atom_hash);
     dap_chain_atom_verify_res_t l_atom_add_res = l_chain->callback_atom_add(l_chain, l_atom, l_atom_size, &l_atom_hash, false);
     bool l_ack_send = false;
     switch (l_atom_add_res) {
     case ATOM_PASS:
         debug_if(s_debug_more, L_WARNING, "Atom with hash %s for %s:%s not accepted (code ATOM_PASS, already present)",
-                                          &l_atom_hash_str, l_chain->net_name, l_chain->name);
+                                          l_atom_hash_str, l_chain->net_name, l_chain->name);
         l_ack_send = true;
         break;
     case ATOM_MOVE_TO_THRESHOLD:
-        debug_if(s_debug_more, L_INFO, "Thresholded atom with hash %s for %s:%s", &l_atom_hash_str, l_chain->net_name, l_chain->name);
+        debug_if(s_debug_more, L_INFO, "Thresholded atom with hash %s for %s:%s", l_atom_hash_str, l_chain->net_name, l_chain->name);
         break;
     case ATOM_ACCEPT:
-        debug_if(s_debug_more, L_INFO, "Accepted atom with hash %s for %s:%s", &l_atom_hash_str, l_chain->net_name, l_chain->name);
+        debug_if(s_debug_more, L_INFO, "Accepted atom with hash %s for %s:%s", l_atom_hash_str, l_chain->net_name, l_chain->name);
         l_ack_send = true;
         break;
     case ATOM_REJECT: {
-        debug_if(s_debug_more, L_WARNING, "Atom with hash %s for %s:%s rejected", &l_atom_hash_str, l_chain->net_name, l_chain->name);
+        debug_if(s_debug_more, L_WARNING, "Atom with hash %s for %s:%s rejected", l_atom_hash_str, l_chain->net_name, l_chain->name);
         break;
     }
     case ATOM_FORK: {
-        debug_if(s_debug_more, L_WARNING, "Atom with hash %s for %s:%s added to a fork branch.", &l_atom_hash_str, l_chain->net_name, l_chain->name);
+        debug_if(s_debug_more, L_WARNING, "Atom with hash %s for %s:%s added to a fork branch.", l_atom_hash_str, l_chain->net_name, l_chain->name);
         l_ack_send = true;
         break;
     }