diff --git a/src/bonsai/bonsai/bim/module/model/decorator.py b/src/bonsai/bonsai/bim/module/model/decorator.py
index e3ecd8c234..f4290948c5 100644
--- a/src/bonsai/bonsai/bim/module/model/decorator.py
+++ b/src/bonsai/bonsai/bim/module/model/decorator.py
@@ -746,7 +746,7 @@ class PolylineDecorator:
             self.draw_batch("LINES", [*z_axis], decorator_color_z_axis, [(0, 1)])
 
         # Area highlight
-        area = polyline_data.area
+        _, area = tool.Polyline.validate_input(polyline_data.area, "AREA")
         if area:
             if float(area) > 0:
                 tris = self.calculate_polygon(polyline_verts)
diff --git a/src/bonsai/bonsai/bim/module/project/decorator.py b/src/bonsai/bonsai/bim/module/project/decorator.py
index 6bd6d55bbc..48bf0aea9d 100644
--- a/src/bonsai/bonsai/bim/module/project/decorator.py
+++ b/src/bonsai/bonsai/bim/module/project/decorator.py
@@ -437,7 +437,7 @@ class MeasureDecorator:
                 self.draw_batch("LINES", [*z_axis], decorator_color_z_axis, [(0, 1)])
 
             # Area highlight
-            area = polyline_data.area
+            _, area = tool.Polyline.validate_input(polyline_data.area, "AREA")
             if area:
                 if float(area) > 0:
                     tris, _ = self.calculate_polygon(polyline_verts)