diff --git a/src/misc/lv_types.h b/src/misc/lv_types.h
index 7c41aa263..6665dfd58 100644
--- a/src/misc/lv_types.h
+++ b/src/misc/lv_types.h
@@ -139,7 +139,7 @@ typedef struct lv_fs_file_cache_t lv_fs_file_cache_t;
 
 typedef struct lv_fs_path_ex_t lv_fs_path_ex_t;
 
-typedef struct lv_image_decoder_args_t lv_image_decoder_args_t;
+typedef struct _lv_image_decoder_args_t lv_image_decoder_args_t;
 
 typedef struct lv_image_cache_data_t lv_image_cache_data_t;