diff --git a/src/bonsai/bonsai/bim/module/model/decorator.py b/src/bonsai/bonsai/bim/module/model/decorator.py
index 3fa274c90e..4628b1d4f5 100644
--- a/src/bonsai/bonsai/bim/module/model/decorator.py
+++ b/src/bonsai/bonsai/bim/module/model/decorator.py
@@ -749,6 +749,7 @@ class PolylineDecorator:
 
         # Area highlight
         if polyline_data:
+            print("A", polyline_data.area)
             _, area = tool.Polyline.validate_input(polyline_data.area, "AREA")
             if area:
                 if float(area) > 0:
diff --git a/src/bonsai/bonsai/tool/polyline.py b/src/bonsai/bonsai/tool/polyline.py
index dbbb48ea1d..d5e8733849 100644
--- a/src/bonsai/bonsai/tool/polyline.py
+++ b/src/bonsai/bonsai/tool/polyline.py
@@ -419,7 +419,7 @@ class Polyline(bonsai.core.tool.Polyline):
 
         FORMULA: "="
 
-        metric: NUMBER "mm"? "m"? "°"?
+        metric: NUMBER "mm²"? "m²"? "mm"? "m"? "°"?
 
         expr: (ADD | SUB | MUL | DIV) dim