diff --git a/env_support/rt-thread/SConscript b/env_support/rt-thread/SConscript
index 56983c0a5c..72fc9d0e56 100644
--- a/env_support/rt-thread/SConscript
+++ b/env_support/rt-thread/SConscript
@@ -28,6 +28,8 @@ src = src + Glob(os.path.join(lvgl_src_cwd,'*.c'))
 for root, dirs, files in os.walk(lvgl_src_cwd):
     for dir in dirs:
         current_path = os.path.join(root, dir)
+        if current_path == os.path.join(lvgl_src_cwd, 'libs', 'thorvg', 'rapidjson', 'msinttypes'): # exclude the msinttypes folder
+            continue
         src = src + Glob(os.path.join(current_path,'*.c')) # add all .c files
         if check_h_hpp_exists(current_path): # add .h and .hpp path
             inc = inc + [current_path]