diff --git a/tools/sh_commands.py b/tools/sh_commands.py
index e29c08752bd8ffc40af38e09d3b87e9ebb222868..01656d3f8fa893d8f49a670c9608978359f7fa7f 100644
--- a/tools/sh_commands.py
+++ b/tools/sh_commands.py
@@ -776,6 +776,7 @@ def validate_model(abi,
                         "%s:/mace" % container_name)
             model_file_name = os.path.basename(model_file_path)
             weight_file_name = os.path.basename(weight_file_path)
+            sh.docker("cp", "tools/common.py", "%s:/mace" % container_name)
             sh.docker("cp", "tools/validate.py", "%s:/mace" % container_name)
             sh.docker("cp", model_file_path, "%s:/mace" % container_name)
             sh.docker("cp", weight_file_path, "%s:/mace" % container_name)