diff --git a/src/blenderbim/blenderbim/bim/module/sequence/operator.py b/src/blenderbim/blenderbim/bim/module/sequence/operator.py
index 20dbf6a7a5..88cdece0e5 100644
--- a/src/blenderbim/blenderbim/bim/module/sequence/operator.py
+++ b/src/blenderbim/blenderbim/bim/module/sequence/operator.py
@@ -1510,7 +1510,6 @@ class VisualiseWorkScheduleDateRange(bpy.types.Operator):
                 self.start,
                 self.finish,
                 bpy.context.scene.render.fps,
-                isodate.parse_duration(self.props.speed_animation_duration),
                 self.props.speed_multiplier,
             )
 
diff --git a/src/blenderbim/blenderbim/bim/module/sequence/prop.py b/src/blenderbim/blenderbim/bim/module/sequence/prop.py
index 2490736e8b..ad51aff00d 100644
--- a/src/blenderbim/blenderbim/bim/module/sequence/prop.py
+++ b/src/blenderbim/blenderbim/bim/module/sequence/prop.py
@@ -199,7 +199,7 @@ class BIMWorkScheduleProperties(PropertyGroup):
     time_lag_attributes: CollectionProperty(name="Time Lag Attributes", type=Attribute)
     visualisation_start: StringProperty(name="Visualisation Start", update=updateVisualisationStart)
     visualisation_finish: StringProperty(name="Visualisation Finish", update=updateVisualisationFinish)
-    speed_multiplier: FloatProperty(name="Speed Multiplier")
+    speed_multiplier: FloatProperty(name="Speed Multiplier", default=10000)
     speed_animation_duration: StringProperty(name="Speed Animation Duration", default="PT1S")
     speed_animation_frames: IntProperty(name="Speed Animation Frames", default=24)
     speed_real_duration: StringProperty(name="Speed Real Duration", default="P1W")