diff --git a/src/api/useTerminologyServiceApi.ts b/src/api/useTerminologyServiceApi.ts
index 67865b7..d5ce05d 100644
--- a/src/api/useTerminologyServiceApi.ts
+++ b/src/api/useTerminologyServiceApi.ts
@@ -66,7 +66,7 @@ export class TerminologyServiceApi {
       .catch((error) => {
         // Log the error or handle it as needed
         console.error("UMLS Logout failed:", error);
-        return false;
+        throw error;
       });
     return false;
   }