diff --git a/src/modules/SX126x/SX126x.cpp b/src/modules/SX126x/SX126x.cpp
index 74178eb1..161a5245 100644
--- a/src/modules/SX126x/SX126x.cpp
+++ b/src/modules/SX126x/SX126x.cpp
@@ -2087,7 +2087,7 @@ int16_t SX126x::config(uint8_t modem) {
   RADIOLIB_ASSERT(state);
 
   // set Rx/Tx fallback mode to STDBY_RC
-  data[0] = RADIOLIB_SX126X_RX_TX_FALLBACK_MODE_STDBY_RC;
+  data[0] = this->standbyXOSC ? RADIOLIB_SX126X_RX_TX_FALLBACK_MODE_STDBY_XOSC : RADIOLIB_SX126X_RX_TX_FALLBACK_MODE_STDBY_RC;
   state = this->mod->SPIwriteStream(RADIOLIB_SX126X_CMD_SET_RX_TX_FALLBACK_MODE, data, 1);
   RADIOLIB_ASSERT(state);