diff --git a/reactos/include/reactos/dll/newdevp.h b/reactos/include/reactos/dll/newdevp.h
index 36226cc7ddf..5ddcee203be 100644
--- a/reactos/include/reactos/dll/newdevp.h
+++ b/reactos/include/reactos/dll/newdevp.h
@@ -8,6 +8,10 @@
 #ifndef __NEWDEVP__H
 #define __NEWDEVP__H
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 BOOL
 WINAPI
 DevInstallW(
@@ -24,4 +28,8 @@ InstallDevInst(
     IN BOOL bUpdate,
     OUT LPDWORD lpReboot);
 
+#ifdef __cplusplus
+}
+#endif
+
 #endif /* __NEWDEVP__H */