diff --git a/port/esp32/main/btstack_config.h b/port/esp32/main/btstack_config.h
index e60019a6c..238fd8af2 100644
--- a/port/esp32/main/btstack_config.h
+++ b/port/esp32/main/btstack_config.h
@@ -20,7 +20,7 @@
 // #define ENABLE_EHCILL
 
 // BTstack configuration. buffers, sizes, ...
-#define HCI_ACL_PAYLOAD_SIZE 52
+#define HCI_ACL_PAYLOAD_SIZE (1691 + 4)
 #define MAX_NR_BNEP_CHANNELS MAX_SPP_CONNECTIONS
 #define MAX_NR_BNEP_SERVICES 1
 #define MAX_NR_BTSTACK_LINK_KEY_DB_MEMORY_ENTRIES  2