diff --git a/src/sync/atomic/type.go b/src/sync/atomic/type.go
index 7d2b6805bc..f487cb9c5f 100644
--- a/src/sync/atomic/type.go
+++ b/src/sync/atomic/type.go
@@ -156,7 +156,7 @@ func (x *Uint32) And(mask uint32) (old uint32) { return AndUint32(&x.v, mask) }
 
 // Or atomically performs a bitwise OR operation on x using the bitmask
 // provided as mask and returns the old value.
-func (x *Uint32) Or(mask uint32) (new uint32) { return OrUint32(&x.v, mask) }
+func (x *Uint32) Or(mask uint32) (old uint32) { return OrUint32(&x.v, mask) }
 
 // A Uint64 is an atomic uint64. The zero value is zero.
 type Uint64 struct {
@@ -188,7 +188,7 @@ func (x *Uint64) And(mask uint64) (old uint64) { return AndUint64(&x.v, mask) }
 
 // Or atomically performs a bitwise OR operation on x using the bitmask
 // provided as mask and returns the old value.
-func (x *Uint64) Or(mask uint64) (new uint64) { return OrUint64(&x.v, mask) }
+func (x *Uint64) Or(mask uint64) (old uint64) { return OrUint64(&x.v, mask) }
 
 // A Uintptr is an atomic uintptr. The zero value is zero.
 type Uintptr struct {