diff --git a/caravel.py b/caravel.py
index 979a1f6..4b72312 100644
--- a/caravel.py
+++ b/caravel.py
@@ -62,9 +62,10 @@ class CaravelConfig():
                     "macro": module_name,
                     "x": module['x'],
                     "y": module['y'],
+                    "tiles": f"{module['width']}x{module['height']}",
                     "repo": project.git_url,
                     "commit": project.commit_id,
-                },
+                }
                 mux_index_reverse[module_name] = mux_address
             
         for project in self.projects: