diff --git a/src/modules/SX126x/SX126x.cpp b/src/modules/SX126x/SX126x.cpp
index aca4f15b..46a0008f 100644
--- a/src/modules/SX126x/SX126x.cpp
+++ b/src/modules/SX126x/SX126x.cpp
@@ -581,7 +581,7 @@ int16_t SX126x::startReceive() {
   return(this->startReceive(RADIOLIB_SX126X_RX_TIMEOUT_INF, RADIOLIB_SX126X_IRQ_RX_DEFAULT, RADIOLIB_SX126X_IRQ_RX_DONE, 0));
 }
 
-int16_t SX126x::startReceive(uint32_t timeout, uint16_t irqFlags, uint16_t irqMask, size_t len) {
+int16_t SX126x::startReceive(uint32_t timeout, uint32_t irqFlags, uint32_t irqMask, size_t len) {
   (void)len;
   int16_t state = startReceiveCommon(timeout, irqFlags, irqMask);
   RADIOLIB_ASSERT(state);
@@ -1456,7 +1456,7 @@ RadioLibTime_t SX126x::calculateRxTimeout(RadioLibTime_t timeoutUs) {
   return(timeout);
 }
 
-int16_t SX126x::irqRxDoneRxTimeout(uint16_t &irqFlags, uint16_t &irqMask) {
+int16_t SX126x::irqRxDoneRxTimeout(uint32_t &irqFlags, uint32_t &irqMask) {
   irqFlags = RADIOLIB_SX126X_IRQ_RX_DEFAULT;  // flags that can appear in the IRQ register
   irqMask  = RADIOLIB_SX126X_IRQ_RX_DONE | RADIOLIB_SX126X_IRQ_TIMEOUT; // flags that will trigger DIO0
   return(RADIOLIB_ERR_NONE);
diff --git a/src/modules/SX126x/SX126x.h b/src/modules/SX126x/SX126x.h
index 2bd3a042..2adcd192 100644
--- a/src/modules/SX126x/SX126x.h
+++ b/src/modules/SX126x/SX126x.h
@@ -654,7 +654,7 @@ class SX126x: public PhysicalLayer {
       \param len Only for PhysicalLayer compatibility, not used.
       \returns \ref status_codes
     */
-    int16_t startReceive(uint32_t timeout, uint16_t irqFlags = RADIOLIB_SX126X_IRQ_RX_DEFAULT, uint16_t irqMask = RADIOLIB_SX126X_IRQ_RX_DONE, size_t len = 0);
+    int16_t startReceive(uint32_t timeout, uint32_t irqFlags = RADIOLIB_SX126X_IRQ_RX_DEFAULT, uint32_t irqMask = RADIOLIB_SX126X_IRQ_RX_DONE, size_t len = 0);
 
     /*!
       \brief Interrupt-driven receive method where the device mostly sleeps and periodically wakes to listen.
@@ -972,7 +972,7 @@ class SX126x: public PhysicalLayer {
       \param irqMask Mask indicating which IRQ triggers a DIO
       \returns \ref status_codes
     */
-    int16_t irqRxDoneRxTimeout(uint16_t &irqFlags, uint16_t &irqMask) override;
+    int16_t irqRxDoneRxTimeout(uint32_t &irqFlags, uint32_t &irqMask);
 
     /*!
       \brief Check whether the IRQ bit for RxTimeout is set