diff --git a/src/app/home/home.component.scss b/src/app/home/home.component.scss
index e10b7a38f..42f4957d8 100644
--- a/src/app/home/home.component.scss
+++ b/src/app/home/home.component.scss
@@ -4,7 +4,7 @@
   align-items: center;
   justify-content: center;
 
-  background: url(/assets/background.jpg) no-repeat center fixed;
+  background: url(../../assets/background.jpg) no-repeat center fixed;
   -webkit-background-size: cover; /* pour anciens Chrome et Safari */
   background-size: cover; /* version standardisée */
 
diff --git a/src/polyfills-test.ts b/src/polyfills-test.ts
index 332646f5b..8ee6ba882 100644
--- a/src/polyfills-test.ts
+++ b/src/polyfills-test.ts
@@ -1,3 +1,2 @@
-import 'core-js/es7/reflect';
+import 'core-js/es/reflect';
 import 'zone.js/dist/zone';
-