diff --git a/model/textparse/openmetricsparse.go b/model/textparse/openmetricsparse.go
index 800e9467d..c32424284 100644
--- a/model/textparse/openmetricsparse.go
+++ b/model/textparse/openmetricsparse.go
@@ -486,7 +486,7 @@ func (p *OpenMetricsParser) parseMetricSuffix(t token) (Entry, error) {
 		var ts float64
 		// A float is enough to hold what we need for millisecond resolution.
 		if ts, err = parseFloat(yoloString(p.l.buf()[1:])); err != nil {
-			return EntryInvalid, fmt.Errorf("%v while parsing: %q", err, p.l.b[p.start:p.l.i])
+			return EntryInvalid, fmt.Errorf("%w while parsing: %q", err, p.l.b[p.start:p.l.i])
 		}
 		if math.IsNaN(ts) || math.IsInf(ts, 0) {
 			return EntryInvalid, fmt.Errorf("invalid timestamp %f", ts)
diff --git a/model/textparse/openmetricsparse_test.go b/model/textparse/openmetricsparse_test.go
index 63a1583b1..2ad26a616 100644
--- a/model/textparse/openmetricsparse_test.go
+++ b/model/textparse/openmetricsparse_test.go
@@ -302,7 +302,7 @@ foo_total 17.0 1520879607.789 # {id="counter-test"} 5`
 
 func TestUTF8OpenMetricsParse(t *testing.T) {
 	model.NameValidationScheme = model.UTF8Validation
-	defer func(){
+	defer func() {
 		model.NameValidationScheme = model.LegacyValidation
 	}()
 
diff --git a/model/textparse/promparse.go b/model/textparse/promparse.go
index 350d52166..58129720f 100644
--- a/model/textparse/promparse.go
+++ b/model/textparse/promparse.go
@@ -462,7 +462,7 @@ func (p *PromParser) parseMetricSuffix(t token) (Entry, error) {
 	}
 	var err error
 	if p.val, err = parseFloat(yoloString(p.l.buf())); err != nil {
-		return EntryInvalid, fmt.Errorf("%v while parsing: %q", err, p.l.b[p.start:p.l.i])
+		return EntryInvalid, fmt.Errorf("%w while parsing: %q", err, p.l.b[p.start:p.l.i])
 	}
 	// Ensure canonical NaN value.
 	if math.IsNaN(p.val) {
@@ -475,7 +475,7 @@ func (p *PromParser) parseMetricSuffix(t token) (Entry, error) {
 	case tTimestamp:
 		p.hasTS = true
 		if p.ts, err = strconv.ParseInt(yoloString(p.l.buf()), 10, 64); err != nil {
-			return EntryInvalid, fmt.Errorf("%v while parsing: %q", err, p.l.b[p.start:p.l.i])
+			return EntryInvalid, fmt.Errorf("%w while parsing: %q", err, p.l.b[p.start:p.l.i])
 		}
 		if t2 := p.nextToken(); t2 != tLinebreak {
 			return EntryInvalid, p.parseError("expected next entry after timestamp", t2)