diff --git a/src/components/auth/EventAuth.ts b/src/components/auth/EventAuth.ts
index f42963b..119e45e 100644
--- a/src/components/auth/EventAuth.ts
+++ b/src/components/auth/EventAuth.ts
@@ -531,7 +531,7 @@ export class EventAuth {
     if (!editorEventId.disabled) { // Only validate if it's a new event
       if (!editorEventId.value) {
         errors.eventId = "Event ID is required";
-      } else if (!editorEventId.value.match(/^[A-Za-z0-9_-]+$/)) {
+      } else if (!editorEventId.value.match(/^[A-Za-z0-9_\-]+$/)) {
         errors.eventId = "Event ID can only contain letters, numbers, underscores, and hyphens";
       } else if (editorEventId.value.length < 3) {
         errors.eventId = "Event ID must be at least 3 characters";
@@ -552,7 +552,7 @@ export class EventAuth {
     // Event Code validation
     if (!editorEventCode.value) {
       errors.eventCode = "Event Code is required";
-    } else if (!editorEventCode.value.match(/^[A-Za-z0-9_-]+$/)) {
+    } else if (!editorEventCode.value.match(/^[A-Za-z0-9_\-]+$/)) {
       errors.eventCode = "Event Code can only contain letters, numbers, underscores, and hyphens";
     } else if (editorEventCode.value.length < 3) {
       errors.eventCode = "Event Code must be at least 3 characters";
diff --git a/src/components/profile/EventEditor.astro b/src/components/profile/EventEditor.astro
index f2b46e7..626e1ff 100644
--- a/src/components/profile/EventEditor.astro
+++ b/src/components/profile/EventEditor.astro
@@ -27,7 +27,7 @@ const { editor_title, form } = config.ui.tables.events;
                         id="editorEventId"
                         class="input input-bordered w-full"
                         placeholder={form.event_id.placeholder}
-                        pattern="[A-Za-z0-9_-]+"
+                        pattern="[A-Za-z0-9_\-]+"
                         minlength="3"
                         maxlength="50"
                         required
@@ -49,7 +49,7 @@ const { editor_title, form } = config.ui.tables.events;
                         id="editorEventCode"
                         class="input input-bordered w-full"
                         placeholder={form.event_code.placeholder}
-                        pattern="[A-Za-z0-9_-]+"
+                        pattern="[A-Za-z0-9_\-]+"
                         minlength="3"
                         maxlength="20"
                         required