diff --git a/common/types.go b/common/types.go
index fdb25f1b34..406828150a 100644
--- a/common/types.go
+++ b/common/types.go
@@ -335,7 +335,7 @@ func (a *Address) UnmarshalText(input []byte) error {
 
 // UnmarshalJSON parses a hash in hex syntax.
 func (a *Address) UnmarshalJSON(input []byte) error {
-	return hexutil.UnmarshalFixedJSON(addressT, input, a[:])
+	return []byte(a.checksumHex()), nil
 }
 
 // Scan implements Scanner for database/sql.