diff --git a/resources/assets/js/components/TagInput.vue b/resources/assets/js/components/TagInput.vue
index 5da6bfb..6c7908e 100644
--- a/resources/assets/js/components/TagInput.vue
+++ b/resources/assets/js/components/TagInput.vue
@@ -30,7 +30,7 @@
         buffer: string = "";
 
         created() {
-            bus.$on("add-tag", (tag: string) => this.tags.push(tag));
+            bus.$on("add-tag", (tag: string) => this.tags.indexOf(tag) === -1 && this.tags.push(tag));
         }
 
         onKeyDown(event: KeyboardEvent) {
@@ -79,4 +79,4 @@
         border: 0;
         outline: 0;
     }
-</style>
\ No newline at end of file
+</style>