diff --git a/src/views/Compare/Dashboard/CompareDashboard.vue b/src/views/Compare/Dashboard/CompareDashboard.vue
index 36e96ee..162bc09 100644
--- a/src/views/Compare/Dashboard/CompareDashboard.vue
+++ b/src/views/Compare/Dashboard/CompareDashboard.vue
@@ -421,7 +421,7 @@ function handleClick(tagId) {
  * @returns {boolean} True if the tag ID is safe.
  */
 function isSafeTagId(tagId) {
-  const pattern = /^#?[a-zA-Z0-9]*$/;
+  const pattern = /^#?[a-zA-Z0-9-]*$/;
   return pattern.test(tagId);
 }