diff --git a/internal/platform/implementation/windows/bluetooth_adapter.cc b/internal/platform/implementation/windows/bluetooth_adapter.cc
index 9c39bc03..cffe1662 100644
--- a/internal/platform/implementation/windows/bluetooth_adapter.cc
+++ b/internal/platform/implementation/windows/bluetooth_adapter.cc
@@ -429,7 +429,7 @@ bool BluetoothAdapter::SetName(absl::string_view name) {
   RegCloseKey(hKey);
 
   // tells the control function to reset or reload or similar...
-  int32 reload = 4;
+  int32_t reload = 4;
   // merely a placeholder
   DWORD bytes = 0;
 
diff --git a/internal/platform/implementation/windows/bluetooth_adapter.h b/internal/platform/implementation/windows/bluetooth_adapter.h
index 6f786a95..5313126a 100644
--- a/internal/platform/implementation/windows/bluetooth_adapter.h
+++ b/internal/platform/implementation/windows/bluetooth_adapter.h
@@ -17,6 +17,7 @@
 
 #include <guiddef.h>
 
+#include <functional>
 #include <string>
 
 #include "internal/platform/implementation/bluetooth_adapter.h"