diff --git a/frepple/controllers/outbound.py b/frepple/controllers/outbound.py
index f9950a3..4bad683 100644
--- a/frepple/controllers/outbound.py
+++ b/frepple/controllers/outbound.py
@@ -1473,7 +1473,7 @@ def export_boms(self):
                         )
                         if not producedQty:
                             producedQty = 1
-                        if producedQty != 1:
+                        if producedQty != 1 and not subcontractor:
                             yield "<size_minimum>%s</size_minimum>\n" % producedQty
                         yield "<flows>\n"