diff --git a/src/preserves/schemaparse.nim b/src/preserves/schemaparse.nim
index 68b3312..798a603 100644
--- a/src/preserves/schemaparse.nim
+++ b/src/preserves/schemaparse.nim
@@ -123,7 +123,8 @@ const parser = peg("Schema", p: ParseState):
     pushStack n
 
   AltRef <- Ref:
-    var n = toPreserve @[toPreserve $0] & takeStackAt()
+    var r = popStack()
+    var n = toPreserve @[r[1].symbol.string.toPreserve, r]
     pushStack n
 
   AltLiteralPattern <-