diff --git a/marshal/tinyint/unmarshal_utils.go b/marshal/tinyint/unmarshal_utils.go
index c129069f..3fb707e4 100644
--- a/marshal/tinyint/unmarshal_utils.go
+++ b/marshal/tinyint/unmarshal_utils.go
@@ -451,7 +451,7 @@ func DecReflect(p []byte, v reflect.Value) error {
 	case reflect.String:
 		return decReflectString(p, v)
 	default:
-		return fmt.Errorf("failed to unmarshal tinyint: unsupported value type %#v)", v.Interface())
+		return fmt.Errorf("failed to unmarshal tinyint: unsupported value type %#v", v.Interface())
 	}
 }
 
@@ -468,7 +468,7 @@ func DecReflectR(p []byte, v reflect.Value) error {
 	case reflect.String:
 		return decReflectStringR(p, v)
 	default:
-		return fmt.Errorf("failed to unmarshal tinyint: unsupported value type (%T)(%#[1]v)", v.Interface())
+		return fmt.Errorf("failed to unmarshal tinyint: unsupported value type %#v", v.Interface())
 	}
 }