diff --git a/tools/hdf_dev_eco_tool/command_line/hdf_defconfig_patch.py b/tools/hdf_dev_eco_tool/command_line/hdf_defconfig_patch.py
index 4348c8a9c5c5101367da237b4a081e12906b7549..e0d1cdb0ce1f79c5850fc0e7d92b45c3370a7d7b 100755
--- a/tools/hdf_dev_eco_tool/command_line/hdf_defconfig_patch.py
+++ b/tools/hdf_dev_eco_tool/command_line/hdf_defconfig_patch.py
@@ -60,7 +60,7 @@ class HdfDefconfigAndPatch(object):
     def get_config_patch(self):
         return os.path.join(self.root, "kernel", self.kernel, "patches")
 
-        def add_module(self, path, files):
+    def add_module(self, path, files):
         for filename in os.listdir(path):
             new_path = os.path.join(path, filename)
             if not os.path.isdir(new_path):