diff --git a/src/strconv/atof_test.go b/src/strconv/atof_test.go
index f6c64789cbb..3380b200884 100644
--- a/src/strconv/atof_test.go
+++ b/src/strconv/atof_test.go
@@ -221,10 +221,10 @@ var (
 )
 
 func initAtof() {
-	atofOnce.Do(initAtof1)
+	atofOnce.Do(initAtofOnce)
 }
 
-func initAtof1() {
+func initAtofOnce() {
 	// The atof routines return NumErrors wrapping
 	// the error and the string. Convert the table above.
 	for i := range atoftests {