diff --git a/components/dfs/filesystems/nfs/rpc/types.h b/components/dfs/filesystems/nfs/rpc/types.h
index d16f8bca9f5e94cabf131e3ff2b3d92f8f8a52c8..36624ea27974c7e5652baf91d4b8348db68caaac 100644
--- a/components/dfs/filesystems/nfs/rpc/types.h
+++ b/components/dfs/filesystems/nfs/rpc/types.h
@@ -62,10 +62,13 @@ typedef int bool_t;
 typedef int enum_t;
 
 #ifndef RT_USING_NEWLIB
-typedef rt_int32_t  ssize_t;
 typedef unsigned long dev_t;
 #endif
 
+#if !defined(RT_USING_NEWLIB) && !defined(RT_USING_MINILIBC)
+typedef rt_int32_t  ssize_t;
+#endif
+
 /* This needs to be changed to uint32_t in the future */
 typedef unsigned long rpcprog_t;
 typedef unsigned long rpcvers_t;