diff --git a/InvenTree/stock/models.py b/InvenTree/stock/models.py
index 2e48ea167f..04e814707e 100644
--- a/InvenTree/stock/models.py
+++ b/InvenTree/stock/models.py
@@ -189,7 +189,7 @@ class StockItem(models.Model):
 
     part = models.ForeignKey('part.Part', on_delete=models.CASCADE, related_name='locations', help_text='Base part')
 
-    supplier_part = models.ForeignKey(SupplierPart, blank=True, null=True, on_delete=models.SET_NULL,
+    supplier_part = models.ForeignKey('company.SupplierPart', blank=True, null=True, on_delete=models.SET_NULL,
                                       help_text='Select a matching supplier part for this stock item')
 
     location = models.ForeignKey(StockLocation, on_delete=models.DO_NOTHING,