diff --git a/src/lib/server/db/category.js b/src/lib/server/db/category.js
index 88c0746..26967b6 100644
--- a/src/lib/server/db/category.js
+++ b/src/lib/server/db/category.js
@@ -45,6 +45,10 @@ export const getCategoriesCachedByRef = refExtendCachedMethod(getCategoriesCache
 export async function getCategories(category_ids = undefined) {
   if (category_ids !== undefined && category_ids.length == 0) return new Map();
 
+  if (category_ids === undefined && cache.has('all')) {
+    return /** @type {Result<Category>} */ (cache.get('all'));
+  }
+
   const filter = category_ids ? sql`WHERE id IN ${ sql(category_ids) }` : sql``;
 
   const query = sql`
@@ -61,7 +65,11 @@ export async function getCategories(category_ids = undefined) {
 
   categories.forEach(row => {
     result.set(row['id'], parseCategoryFromRow(row));
-  })
+  });
+
+  if (category_ids === undefined) {
+    cache.set('all', result);
+  }
 
   return updateCategoryCache(result);
 }