diff --git a/src/app/layout/blocks/communities-block/communities-block.component.ts b/src/app/layout/blocks/communities-block/communities-block.component.ts
index 87065ce..9dfab2f 100644
--- a/src/app/layout/blocks/communities-block/communities-block.component.ts
+++ b/src/app/layout/blocks/communities-block/communities-block.component.ts
@@ -16,7 +16,7 @@ export class CommunitiesBlockComponent {
     constructor(private communityService: CommunityService) { }
 
     ngOnInit() {
-        let limit = ((this.block && this.block['settings']) ? this.block['settings'].limit : null) || 5;
+        let limit: number = ((this.block && this.block.settings) ? this.block.settings.limit : null) || 5;
 
         this.communityService.list(null, { limit: limit }).then((result: noosfero.RestResult<noosfero.Community[]>) => {
             this.profiles = result.data;
diff --git a/src/lib/ng-noosfero-api/interfaces/block.ts b/src/lib/ng-noosfero-api/interfaces/block.ts
index 81b1748..bef92e1 100644
--- a/src/lib/ng-noosfero-api/interfaces/block.ts
+++ b/src/lib/ng-noosfero-api/interfaces/block.ts
@@ -1,5 +1,6 @@
 namespace noosfero {
     export interface Block {
         id: number;
+        settings: any;
     }
-}
\ No newline at end of file
+}
--
libgit2 0.21.2