diff --git a/cura/BuildVolume.py b/cura/BuildVolume.py
index 3358fe8b85..559cb72e3d 100755
--- a/cura/BuildVolume.py
+++ b/cura/BuildVolume.py
@@ -791,7 +791,7 @@ class BuildVolume(SceneNode):
             result[extruder.getId()] = []
 
         # Currently, the only normally printed object is the prime tower.
-        if self._global_container_stack.getProperty("prime_tower_enable"):
+        if self._global_container_stack.getProperty("prime_tower_enable", "value"):
             prime_tower_size = self._global_container_stack.getProperty("prime_tower_size", "value")
             machine_width = self._global_container_stack.getProperty("machine_width", "value")
             machine_depth = self._global_container_stack.getProperty("machine_depth", "value")