diff --git a/porting/npl/riot/include/syscfg/syscfg.h b/porting/npl/riot/include/syscfg/syscfg.h
index 47e928c86..bac73b6e3 100644
--- a/porting/npl/riot/include/syscfg/syscfg.h
+++ b/porting/npl/riot/include/syscfg/syscfg.h
@@ -502,7 +502,7 @@
 #endif
 
 #ifndef MYNEWT_VAL_BLE_LL_CONN_INIT_MAX_TX_BYTES
-#define MYNEWT_VAL_BLE_LL_CONN_INIT_MAX_TX_BYTES (27)
+#define MYNEWT_VAL_BLE_LL_CONN_INIT_MAX_TX_BYTES (MYNEWT_VAL_BLE_LL_MAX_PKT_SIZE)
 #endif
 
 #ifndef MYNEWT_VAL_BLE_LL_CONN_INIT_MIN_WIN_OFFSET