diff --git a/decimal.go b/decimal.go
index 134ece2..78e16ad 100644
--- a/decimal.go
+++ b/decimal.go
@@ -970,6 +970,11 @@ func (d Decimal) MarshalBinary() (data []byte, err error) {
 
 // Scan implements the sql.Scanner interface for database deserialization.
 func (d *Decimal) Scan(value interface{}) error {
+	if value == nil {
+		d = nil
+		return nil
+	}
+
 	// first try to see if the data is stored in database as a Numeric datatype
 	switch v := value.(type) {