diff --git a/src/ifctester/webapp/src/modules/api/api.svelte.js b/src/ifctester/webapp/src/modules/api/api.svelte.js
index 6b050d5772..ad2a7b8c3f 100644
--- a/src/ifctester/webapp/src/modules/api/api.svelte.js
+++ b/src/ifctester/webapp/src/modules/api/api.svelte.js
@@ -33,7 +33,7 @@ export async function preloadAutocompletions() {
         );
         const allEntities = new Set();
         entitySets.forEach(entities => {
-            entities.forEach(entity => allEntities.add(entity));
+            entities.forEach(entity => allEntities.add(entity.toUpperCase()));
         });
         
         // Data types
@@ -297,4 +297,4 @@ export async function runAudit() {
     }
     
     return firstAuditReport;
-}
\ No newline at end of file
+}