diff --git a/webapp/packages/core-app/src/NavigationTree/NavigationTree.tsx b/webapp/packages/core-app/src/NavigationTree/NavigationTree.tsx
index a61c149e25..2f827666b2 100644
--- a/webapp/packages/core-app/src/NavigationTree/NavigationTree.tsx
+++ b/webapp/packages/core-app/src/NavigationTree/NavigationTree.tsx
@@ -84,8 +84,8 @@ export const NavigationTree = observer(function NavigationTree() {
         filters={[connectionGroupFilter]}
         renderers={[navigationTreeConnectionGroupRenderer]}
         emptyPlaceholder={() => styled(navigationTreeStyles)(
-          <center as="div">
-            <message as="div">
+          <center>
+            <message>
               No connections.<br />
               Use the top menu to setup connection to your database.
             </message>
diff --git a/webapp/packages/core-root/src/PermissionsResource.ts b/webapp/packages/core-root/src/PermissionsResource.ts
index 6d8875d754..0e1b9c4e84 100644
--- a/webapp/packages/core-root/src/PermissionsResource.ts
+++ b/webapp/packages/core-root/src/PermissionsResource.ts
@@ -12,7 +12,7 @@ import { GraphQLService, CachedDataResource } from '@cloudbeaver/core-sdk';
 import { SessionDataResource } from './SessionDataResource';
 
 @injectable()
-export class PermissionsResource extends CachedDataResource<Set<string>, void> {
+export class PermissionsResource extends CachedDataResource<Set<string>> {
   constructor(
     private graphQLService: GraphQLService,
     sessionDataResource: SessionDataResource
diff --git a/webapp/packages/core-sdk/src/Resource/CachedDataResource.ts b/webapp/packages/core-sdk/src/Resource/CachedDataResource.ts
index 4b24063928..9e81179744 100644
--- a/webapp/packages/core-sdk/src/Resource/CachedDataResource.ts
+++ b/webapp/packages/core-sdk/src/Resource/CachedDataResource.ts
@@ -12,7 +12,7 @@ import { CachedResource } from './CachedResource';
 
 export abstract class CachedDataResource<
   TData,
-  TParam,
+  TParam = void,
   TKey = TParam,
   TContext = void,
 > extends CachedResource<TData, TParam, TKey, TContext> {