diff --git a/src/bonsai/Makefile b/src/bonsai/Makefile
index f745f1ebed..d5a2ac99b5 100644
--- a/src/bonsai/Makefile
+++ b/src/bonsai/Makefile
@@ -360,6 +360,14 @@ else
 	pytest test/tool/test_$(MODULE).py --maxfail=1
 endif
 
+.PHONY: test-modal
+test-modal:
+ifndef MODULE
+	blender --enable-event-simulate --python test/modal/test_snap.py
+else
+	blender --enable-event-simulate --python test/modal/test_$(MODULE).py
+endif
+
 # Reregistering test is not added to the standard test suite because during unregister
 # Blender removes all Bonsai dependencies breaking dev-environment symlinks.
 .PHONY: test-reregister
diff --git a/src/bonsai/bonsai/bim/module/model/polyline.py b/src/bonsai/bonsai/bim/module/model/polyline.py
index be491e756b..393054d9ac 100644
--- a/src/bonsai/bonsai/bim/module/model/polyline.py
+++ b/src/bonsai/bonsai/bim/module/model/polyline.py
@@ -75,6 +75,7 @@ class PolylineOperator:
         self.is_typing = False
         self.snap_angle = None
         self.snapping_points = []
+        self.unit_scale = 1.0
         self.instructions = {
             "Cycle Input": {"icons": True, "keys": ["EVENT_TAB"]},
             "Distance Input": {"icons": True, "keys": ["EVENT_D"]},