diff --git a/common/types.go b/common/types.go
index 284929e084..b6ea1f64c6 100644
--- a/common/types.go
+++ b/common/types.go
@@ -226,7 +226,7 @@ func (a Address) Hash() Hash { return BytesToHash(a[:]) }
 func (a Address) Hex() string {
 	unchecksummed := hex.EncodeToString(a[:])
 	sha := sha3.NewKeccak256()
-	sha.Write([]byte(unchecksummed))
+	_, _ = sha.Write([]byte(unchecksummed))
 	hash := sha.Sum(nil)
 
 	result := []byte(unchecksummed)