diff --git a/include/uapi/drm/sis_drm.h b/include/uapi/drm/sis_drm.h
index a20d88bc4970c66ac19ab56805dbbf370723acf7..3e3f7e989e0b23291408ec8e3d05508f877d4807 100644
--- a/include/uapi/drm/sis_drm.h
+++ b/include/uapi/drm/sis_drm.h
@@ -29,6 +29,10 @@
 
 #include "drm.h"
 
+#if defined(__cplusplus)
+extern "C" {
+#endif
+
 /* SiS specific ioctls */
 #define NOT_USED_0_3
 #define DRM_SIS_FB_ALLOC	0x04
@@ -66,4 +70,8 @@ typedef struct {
 	unsigned long offset, size;
 } drm_sis_fb_t;
 
+#if defined(__cplusplus)
+}
+#endif
+
 #endif				/* __SIS_DRM_H__ */