diff --git a/src/components/Pages/TopicPage.tsx b/src/components/Pages/TopicPage.tsx
index f974f20e..198be0a0 100644
--- a/src/components/Pages/TopicPage.tsx
+++ b/src/components/Pages/TopicPage.tsx
@@ -15,7 +15,7 @@ export const TopicPage = (props: PageProps) => {
 
     const page = getPage()
 
-    if (page.route !== 'author') {
+    if (page.route !== 'topic') {
       throw new Error('ts guard')
     }
 
diff --git a/src/components/Views/AllAuthors.tsx b/src/components/Views/AllAuthors.tsx
index 1aa61b56..3273b7b3 100644
--- a/src/components/Views/AllAuthors.tsx
+++ b/src/components/Views/AllAuthors.tsx
@@ -35,7 +35,7 @@ export const AllAuthorsView = (props: Props) => {
 
   const byLetter = createMemo<{ [letter: string]: Author[] }>(() => {
     return sortedAuthors().reduce((acc, author) => {
-      const letter = author.name[0]
+      const letter = author.name[0].toUpperCase()
       if (!acc[letter]) {
         acc[letter] = []
       }
diff --git a/src/components/Views/AllTopics.tsx b/src/components/Views/AllTopics.tsx
index ae26f45d..15b40959 100644
--- a/src/components/Views/AllTopics.tsx
+++ b/src/components/Views/AllTopics.tsx
@@ -35,7 +35,7 @@ export const AllTopicsView = (props: AllTopicsViewProps) => {
 
   const byLetter = createMemo<{ [letter: string]: Topic[] }>(() => {
     return sortedTopics().reduce((acc, topic) => {
-      const letter = topic.title[0]
+      const letter = topic.title[0].toUpperCase()
       if (!acc[letter]) {
         acc[letter] = []
       }