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-rw-r--r--include/rtdef.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/include/rtdef.h b/include/rtdef.h
index f896c1834d..898bf91399 100644
--- a/include/rtdef.h
+++ b/include/rtdef.h
@@ -721,7 +721,7 @@ struct rt_device_graphic_ops
void (*blit_line) (const char* pixel, int x, int y, rt_size_t size);
};
-#define rt_graphix_ops(device) (struct rt_device_graphic_ops*)(device->user_data)
+#define rt_graphix_ops(device) ((struct rt_device_graphic_ops*)(device->user_data))
/*@}*/
/**