diff --git a/netbox/dcim/tables.py b/netbox/dcim/tables.py
index b38a60827..ba9035d19 100644
--- a/netbox/dcim/tables.py
+++ b/netbox/dcim/tables.py
@@ -179,7 +179,7 @@ CABLE_TERMINATION_PARENT = """
 """
 
 CABLE_LENGTH = """
-{% if record.length %}{{ record.length }}{{ record.length_unit }}{% else %}—{% endif %}
+{% if record.length %}{{ record.length }}{{ record.get_length_unit_display }}{% else %}—{% endif %}
 """