diff --git a/mining_loop.c b/mining_loop.c
index 686304c..b2ed8eb 100644
--- a/mining_loop.c
+++ b/mining_loop.c
@@ -123,7 +123,9 @@ int run_mining_loop(const MinerConfig *cfg, int worker_idx, const char *extranon
         return 1;
     }
 
-    fprintf(stdout, "[main] chain=%s worker=%d extranonce2=%s\n", chain, worker_idx, extranonce2);
+    if (event_fd < 0) {
+        fprintf(stdout, "[main] chain=%s worker=%d extranonce2=%s\n", chain, worker_idx, extranonce2);
+    }
 
     status_ctx.event_fd = event_fd;
     status_ctx.worker_idx = worker_idx;
@@ -164,7 +166,9 @@ int run_mining_loop(const MinerConfig *cfg, int worker_idx, const char *extranon
             }
         }
 
-        fprintf(stdout, "[main] template height=%d tx=%zu segwit=%d\n", tpl.height, tpl.tx_count, witness_count);
+        if (event_fd < 0) {
+            fprintf(stdout, "[main] template height=%d tx=%zu segwit=%d\n", tpl.height, tpl.tx_count, witness_count);
+        }
 
         if (build_coinbase_transaction(
                 &tpl,
@@ -243,7 +247,7 @@ int run_mining_loop(const MinerConfig *cfg, int worker_idx, const char *extranon
                 putchar('\n');
             }
 
-            if (atomic_load(&new_block_flag) != 0) {
+            if (event_fd < 0 && atomic_load(&new_block_flag) != 0) {
                 fprintf(stdout, "[main] nuovo best block: riavvio ciclo\n");
             }
 
@@ -283,7 +287,9 @@ int run_mining_loop(const MinerConfig *cfg, int worker_idx, const char *extranon
         }
 
         if (block_hash != NULL) {
-            fprintf(stdout, "[main] block trovato: %s\n", block_hash);
+            if (event_fd < 0) {
+                fprintf(stdout, "[main] block trovato: %s\n", block_hash);
+            }
             emit_eventf(event_fd, "found %d %.6f\n", worker_idx, result.hashrate_hz / 1000.0);
             emit_eventf(event_fd, "hash %d %s\n", worker_idx, block_hash);
         }