diff --git a/inventree/order.py b/inventree/order.py
index af30e484..82d5ef53 100644
--- a/inventree/order.py
+++ b/inventree/order.py
@@ -138,7 +138,7 @@ def uploadAttachment(self, attachment, comment=''):
 class SalesOrderLineItem(inventree.base.InventreeObject):
     """ Class representing the SalesOrderLineItem database model """
 
-    URL = 'order/so-line/'
+    URL = 'order/so-line'
 
     def getPart(self):
         """