diff --git a/src/base-i18n.js b/src/base-i18n.js
index 7c48580e..5b62dde2 100644
--- a/src/base-i18n.js
+++ b/src/base-i18n.js
@@ -1,10 +1,12 @@
-import {I18N} from './i18n';
-import {DOM} from 'aurelia-pal';
-import {EventAggregator} from 'aurelia-event-aggregator';
+import { I18N } from './i18n';
+import { DOM } from 'aurelia-pal';
+import { EventAggregator } from 'aurelia-event-aggregator';
 
 export class BaseI18N {
 
-  static inject = [I18N, DOM.Element, EventAggregator];
+  static inject() {
+    return [I18N, DOM.Element, EventAggregator];
+  }
 
   constructor(i18n, element, ea) {
     this.i18n = i18n;
diff --git a/src/defaultTranslations/relative.time.js b/src/defaultTranslations/relative.time.js
index 628417dd..fa855050 100644
--- a/src/defaultTranslations/relative.time.js
+++ b/src/defaultTranslations/relative.time.js
@@ -313,7 +313,7 @@ export const translations = {
       'year_ago': '__count__ 年前',
       'year_ago_plural': '__count__ 年前',
       'year_in': 'あと __count__ 年',
-      'year_in_plural': 'あと __count__ 年'    
+      'year_in_plural': 'あと __count__ 年'
     }
   },
   jp: {
diff --git a/src/t.js b/src/t.js
index 03c294cb..49bd12ba 100644
--- a/src/t.js
+++ b/src/t.js
@@ -21,7 +21,9 @@ export class TValueConverter {
 
 @customAttribute('t-params')
 export class TParamsCustomAttribute {
-  static inject = [DOM.Element];
+  static inject() {
+    return [DOM.Element];
+  }
   static configureAliases(aliases) {
     let r = metadata.getOrCreateOwn(metadata.resource, HtmlBehaviorResource, TParamsCustomAttribute);
     r.aliases = aliases;
@@ -40,7 +42,9 @@ export class TParamsCustomAttribute {
 @customAttribute('t')
 export class TCustomAttribute {
 
-  static inject = [DOM.Element, I18N, EventAggregator, LazyOptional.of(TParamsCustomAttribute)];
+  static inject() {
+    return [DOM.Element, I18N, EventAggregator, LazyOptional.of(TParamsCustomAttribute)];
+  }
   static configureAliases(aliases) {
     let r = metadata.getOrCreateOwn(metadata.resource, HtmlBehaviorResource, TCustomAttribute);
     r.aliases = aliases;