diff --git a/expfmt/text_parse.go b/expfmt/text_parse.go
index b86290afa..ec3d86ba7 100644
--- a/expfmt/text_parse.go
+++ b/expfmt/text_parse.go
@@ -359,7 +359,7 @@ func (p *TextParser) startLabelValue() stateFn {
 		}
 		return p.readingValue
 	default:
-		p.parseError(fmt.Sprintf("unexpected end of label value %q", p.currentLabelPair.Value))
+		p.parseError(fmt.Sprintf("unexpected end of label value %q", p.currentLabelPair.GetValue()))
 		return nil
 	}
 }