diff --git a/components/EventItemView.tsx b/components/EventItemView.tsx
index c00ff5b..890da5d 100644
--- a/components/EventItemView.tsx
+++ b/components/EventItemView.tsx
@@ -17,7 +17,6 @@ const EventItemView: React.FC<EventItemProps> = ({ material, item, problems }) =
   let name = `Error: ${item.section}`
   let key = item.id
   let indent = 0
-
   let itemProblems: string[] = []
   if (split.length === 4) {
     const [repo, theme, course, section] = split
@@ -44,7 +43,6 @@ const EventItemView: React.FC<EventItemProps> = ({ material, item, problems }) =
   }
   let isCompleted = false
   let completedLabel = ""
-
   const uniqueUsers = new Set()
   let uniqueUsersCount = 0
   if (problems !== undefined && itemProblems.length > 0) {
diff --git a/pages/event/[eventId]/[eventGroupId].tsx b/pages/event/[eventId]/[eventGroupId].tsx
index fd6af7f..2e97488 100644
--- a/pages/event/[eventId]/[eventGroupId].tsx
+++ b/pages/event/[eventId]/[eventGroupId].tsx
@@ -92,25 +92,25 @@ const EventGroupPage: NextPage<EventGroupProps> = ({ material, event, eventGroup
   const sectionsOptions = material.themes.flatMap((theme) => {
     return [
       {
-        value: `${theme.id}`,
-        label: `${theme.name}`,
+        value: `${theme.repo}.${theme.id}`,
+        label: `${theme.repo} - ${theme.name}`,
       },
     ].concat(
       theme.courses.flatMap((course) => {
         return [
           {
-            value: `${theme.id}.${course.id}`,
-            label: `${theme.name} - ${course.name}`,
+            value: `${theme.repo}.${theme.id}.${course.id}`,
+            label: `${theme.repo} - ${theme.name} - ${course.name}`,
           },
         ].concat(
           course.sections.map((section) => {
             const tags = section.tags.join(", ")
-            let label = `${theme.name} - ${course.name} - ${section.name}`
+            let label = `${theme.repo} - ${theme.name} - ${course.name} - ${section.name}`
             if (tags.length > 0) {
               label = `${label} [${tags}]`
             }
             return {
-              value: `${theme.id}.${course.id}.${section.id}`,
+              value: `${theme.repo}.${theme.id}.${course.id}.${section.id}`,
               label,
             }
           })