diff --git a/nx/include/switch/services/btdrv.h b/nx/include/switch/services/btdrv.h
index d344369c..53ae8ca9 100644
--- a/nx/include/switch/services/btdrv.h
+++ b/nx/include/switch/services/btdrv.h
@@ -269,7 +269,7 @@ Result btdrvCloseHidConnection(BtdrvAddress addr);
  * @param[in] addr \ref BtdrvAddress
  * @param[in] buffer Input \ref BtdrvHidReport, on pre-9.0.0 this is \ref BtdrvHidData.
  */
-Result btdrvWriteHidData(BtdrvAddress addr, BtdrvHidReport *buffer);
+Result btdrvWriteHidData(BtdrvAddress addr, const BtdrvHidReport *buffer);
 
 /**
  * @brief WriteHidData2
@@ -285,7 +285,7 @@ Result btdrvWriteHidData2(BtdrvAddress addr, const void* buffer, size_t size);
  * @param[in] type \ref BtdrvBluetoothHhReportType
  * @param[in] buffer Input \ref BtdrvHidReport, on pre-9.0.0 this is \ref BtdrvHidData.
  */
-Result btdrvSetHidReport(BtdrvAddress addr, BtdrvBluetoothHhReportType type, BtdrvHidReport *buffer);
+Result btdrvSetHidReport(BtdrvAddress addr, BtdrvBluetoothHhReportType type, const BtdrvHidReport *buffer);
 
 /**
  * @brief This sends a HID GET_REPORT transaction packet.
diff --git a/nx/source/services/btdrv.c b/nx/source/services/btdrv.c
index d1de58ae..282e16dd 100644
--- a/nx/source/services/btdrv.c
+++ b/nx/source/services/btdrv.c
@@ -262,7 +262,7 @@ Result btdrvCloseHidConnection(BtdrvAddress addr) {
     return _btdrvCmdInAddrNoOut(addr, 18);
 }
 
-Result btdrvWriteHidData(BtdrvAddress addr, BtdrvHidReport *buffer) {
+Result btdrvWriteHidData(BtdrvAddress addr, const BtdrvHidReport *buffer) {
     size_t size = hosversionBefore(9,0,0) ? sizeof(BtdrvHidData) : sizeof(BtdrvHidReport);
     return serviceDispatchIn(&g_btdrvSrv, 19, addr,
         .buffer_attrs = { SfBufferAttr_HipcPointer | SfBufferAttr_In | SfBufferAttr_FixedSize },
@@ -277,7 +277,7 @@ Result btdrvWriteHidData2(BtdrvAddress addr, const void* buffer, size_t size) {
     );
 }
 
-Result btdrvSetHidReport(BtdrvAddress addr, BtdrvBluetoothHhReportType type, BtdrvHidReport *buffer) {
+Result btdrvSetHidReport(BtdrvAddress addr, BtdrvBluetoothHhReportType type, const BtdrvHidReport *buffer) {
     size_t size = hosversionBefore(9,0,0) ? sizeof(BtdrvHidData) : sizeof(BtdrvHidReport);
 
     const struct {