diff --git a/InvenTree/plugin/base/label/mixins.py b/InvenTree/plugin/base/label/mixins.py
index b6c4d53f46..4e06f9e15a 100644
--- a/InvenTree/plugin/base/label/mixins.py
+++ b/InvenTree/plugin/base/label/mixins.py
@@ -36,4 +36,4 @@ class LabelPrintingMixin:
         """
 
         # Unimplemented (to be implemented by the particular plugin class)
-        MixinNotImplementedError('This Plugin must implement a `print_label` method')
+        raise MixinNotImplementedError('This Plugin must implement a `print_label` method')