diff --git a/src/stack.ts b/src/stack.ts
index dd40c6d0eb..7981e20c6c 100644
--- a/src/stack.ts
+++ b/src/stack.ts
@@ -236,7 +236,7 @@ export function stack(m: Mark | MarkDef, encoding: Encoding<string>): StackPrope
     } else {
       offset = stackedFieldDef.stack;
     }
-  } else if (STACK_BY_DEFAULT_MARKS.has(mark)) {
+  } else if (stackBy.length > 0 && STACK_BY_DEFAULT_MARKS.has(mark)) {
     offset = 'zero';
   }