data: CacheableObject: don't compute old value when validation fails

1 files changed, 1 insertions, 1 deletions

diff --git a/src/data/things/cacheable-object.js b/src/data/things/cacheable-object.js
index 9fda865e..a8610fad 100644
--- a/src/data/things/cacheable-object.js
+++ b/src/data/things/cacheable-object.js
@@ -180,7 +180,7 @@ export default class CacheableObject {
             throw new TypeError(`Validation failed for value ${newValue}`);
           }
         } catch (caughtError) {
-          throw new CacheableObjectPropertyValueError(property, this[property], newValue, caughtError);
+          throw new CacheableObjectPropertyValueError(property, oldValue, newValue, caughtError);
         }
       }