diff --git a/lclayout/writer/magic_writer.py b/lclayout/writer/magic_writer.py
index 9114b800e264f168973ad9749470d21173f8be8f..d82514f9c43e59485f4c33e505c8db7faadc4cb8 100644
--- a/lclayout/writer/magic_writer.py
+++ b/lclayout/writer/magic_writer.py
@@ -126,6 +126,7 @@ def store_layout_to_magic_file(tech_name: str,
     mag_lines = ["magic",
                  "# Generated by librecell",
                  "tech {}".format(tech_name),
+                 "magscale 1 10" if tech_name=='gf180mcuC' else "magscale 1 1", 
                  "timestamp {}".format(int(time.time()))
                  ]