diff --git a/prometheus/histogram_test.go b/prometheus/histogram_test.go
index 8a86ac6..665111e 100644
--- a/prometheus/histogram_test.go
+++ b/prometheus/histogram_test.go
@@ -1456,7 +1456,7 @@ func compareNativeExemplarValues(t *testing.T, exps []*dto.Exemplar, values []fl
 	}
 }
 
-func syncMaptoMap(syncmap *sync.Map) (m map[int]int64) {
+func syncMapToMap(syncmap *sync.Map) (m map[int]int64) {
 	m = map[int]int64{}
 	syncmap.Range(func(key, value any) bool {
 		m[key.(int)] = *value.(*int64)
@@ -1974,8 +1974,8 @@ func TestConstNativeHistogram(t *testing.T) {
 			consthist, err := NewConstNativeHistogram(_his.Desc(),
 				cold.count,
 				math.Float64frombits(cold.sumBits),
-				syncMaptoMap(&cold.nativeHistogramBucketsPositive),
-				syncMaptoMap(&cold.nativeHistogramBucketsNegative),
+				syncMapToMap(&cold.nativeHistogramBucketsPositive),
+				syncMapToMap(&cold.nativeHistogramBucketsNegative),
 				cold.nativeHistogramZeroBucket,
 				cold.nativeHistogramSchema,
 				math.Float64frombits(cold.nativeHistogramZeroThresholdBits),