diff --git a/src/meshberry/EvilChatMesh.h b/src/meshberry/EvilChatMesh.h
index 90ba683..dd48433 100644
--- a/src/meshberry/EvilChatMesh.h
+++ b/src/meshberry/EvilChatMesh.h
@@ -14,7 +14,7 @@
 #include <array>
 
 #define MAX_MSG_LEN 100
-#define MAX_HISTORY 32
+#define MAX_HISTORY 128
 #define MAX_NODES   30
 
 struct NodePresence {
@@ -35,8 +35,8 @@ extern int                       nodesCount;
 extern uint8_t broadcastAddressEspNow[6];
 
 /* Timings */
-#define TIMEOUT_PRESENCE 2000
-#define PING_INTERVAL     500
+#define TIMEOUT_PRESENCE 3000
+#define PING_INTERVAL    1000
 extern unsigned long lastPing;
 
 /* ---------- BUFFER SÉCURISÉ POUR LE CALLBACK ---------- */