diff --git a/parser/parser.go b/parser/parser.go
index 55db6b96..169d5edc 100644
--- a/parser/parser.go
+++ b/parser/parser.go
@@ -830,6 +830,7 @@ func (p *parser) setSameLineCommentIfExists(ctx *context, node ast.Node) error {
 }
 
 func (p *parser) parseDocument(ctx *context) (*ast.DocumentNode, error) {
+	p.pathMap = make(map[string]ast.Node)
 	startTk := p.currentToken()
 	p.progress(1) // skip document header token
 	body, err := p.parseToken(ctx, p.currentToken())
diff --git a/parser/parser_test.go b/parser/parser_test.go
index 7d0eb107..66ad5e30 100644
--- a/parser/parser_test.go
+++ b/parser/parser_test.go
@@ -133,6 +133,13 @@ a: !tag
 a:
   b: c
      
+`,
+		`
+foo: xxx
+---
+foo: yyy
+---
+foo: zzz
 `,
 	}
 	for _, src := range sources {