diff --git a/client/src/components/chainetv.vue b/client/src/components/chainetv.vue
index cd8cd59..987c522 100644
--- a/client/src/components/chainetv.vue
+++ b/client/src/components/chainetv.vue
@@ -96,7 +96,7 @@ export default {
       arraychaine.forEach((element) => {
         if (element !== '') {
           if (re.test(element)) {
-            const range = element.split('-');
+            const range = element.split('-').map(Number);
             for (let i = range[0]; i <= range[1]; i += 1) {
               this.$store.dispatch('getchaine', { num: i });
             }