diff --git a/src/main/resources/mapper/quotation/QuoteBomHeaderMapper.xml b/src/main/resources/mapper/quotation/QuoteBomHeaderMapper.xml
index fde96b1a..eb9cfaa5 100644
--- a/src/main/resources/mapper/quotation/QuoteBomHeaderMapper.xml
+++ b/src/main/resources/mapper/quotation/QuoteBomHeaderMapper.xml
@@ -29,6 +29,7 @@
           and bom_type = #{bomType}
           and eng_chg_level = #{version}
           and alternative_no = #{alternativeNo}
+          and qty_per_assembly > 0
         order by line_sequence
     </select>