diff --git a/api/orders/setLineItem.cfm b/api/orders/setLineItem.cfm
index 37948b0..c67aa4d 100644
--- a/api/orders/setLineItem.cfm
+++ b/api/orders/setLineItem.cfm
@@ -457,21 +457,31 @@
       <cfset attachDefaultChildren(OrderID, qExisting.ID, ItemID)>
       <cfset arrayAppend(request.attachDebug, "AFTER attachDefaultChildren call")>
     <cfelse>
-      <!--- Deselecting: check if this is a default-checked item --->
-      <cfset var qItemCheck = queryTimed(
-        "SELECT IsCheckedByDefault FROM Items WHERE ID = ? LIMIT 1",
-        [ { value = ItemID, cfsqltype = "cf_sql_integer" } ],
-        { datasource = "payfrit" }
-      )>
-      <cfif qItemCheck.recordCount GT 0 AND val(qItemCheck.IsCheckedByDefault) EQ 1>
-        <!--- Default item: keep with Quantity=0 for "NO X" display --->
-        <cfset queryTimed(
-          "UPDATE OrderLineItems SET Quantity = 0 WHERE ID = ?",
-          [ { value = qExisting.ID, cfsqltype = "cf_sql_integer" } ],
+      <!--- Deselecting: for modifiers that are default-checked, keep with Quantity=0 --->
+      <!--- For root items or non-defaults, delete normally --->
+      <cfif ParentLineItemID GT 0>
+        <cfset var qItemCheck = queryTimed(
+          "SELECT IsCheckedByDefault FROM Items WHERE ID = ? LIMIT 1",
+          [ { value = ItemID, cfsqltype = "cf_sql_integer" } ],
           { datasource = "payfrit" }
         )>
+        <cfif qItemCheck.recordCount GT 0 AND val(qItemCheck.IsCheckedByDefault) EQ 1>
+          <!--- Default modifier: keep with Quantity=0 for "NO X" display --->
+          <cfset queryTimed(
+            "UPDATE OrderLineItems SET Quantity = 0 WHERE ID = ?",
+            [ { value = qExisting.ID, cfsqltype = "cf_sql_integer" } ],
+            { datasource = "payfrit" }
+          )>
+        <cfelse>
+          <!--- Non-default modifier: mark as deleted --->
+          <cfset queryTimed(
+            "UPDATE OrderLineItems SET IsDeleted = b'1' WHERE ID = ?",
+            [ { value = qExisting.ID, cfsqltype = "cf_sql_integer" } ],
+            { datasource = "payfrit" }
+          )>
+        </cfif>
       <cfelse>
-        <!--- Normal item: mark as deleted --->
+        <!--- Root item: always delete --->
         <cfset queryTimed(
           "UPDATE OrderLineItems SET IsDeleted = b'1' WHERE ID = ?",
           [ { value = qExisting.ID, cfsqltype = "cf_sql_integer" } ],