diff --git a/package.json b/package.json
index 07a232d18..7b0af19a0 100644
--- a/package.json
+++ b/package.json
@@ -617,7 +617,7 @@
         "ps-node": "^0.1.6",
         "request-promise": "^4.2.2",
         "semver": "^5.5.0",
-        "vscode-azureappservice": "~0.14.0",
+        "vscode-azureappservice": "~0.14.4",
         "vscode-azureextensionui": "~0.11.3",
         "vscode-azurekudu": "~0.1.7",
         "vscode-extension-telemetry": "^0.0.15",
diff --git a/src/tree/FunctionAppProvider.ts b/src/tree/FunctionAppProvider.ts
index 200b7a49c..ff0b923c7 100644
--- a/src/tree/FunctionAppProvider.ts
+++ b/src/tree/FunctionAppProvider.ts
@@ -38,9 +38,14 @@ export class FunctionAppProvider implements IChildProvider {
 
         this._nextLink = webAppCollection.nextLink;
 
-        return webAppCollection
-            .filter((site: Site) => site.kind === 'functionapp')
-            .map((site: Site) => new FunctionAppTreeItem(new SiteClient(site, node), this._outputChannel));
+        const treeItems: IAzureTreeItem[] = [];
+        for (const site of webAppCollection) {
+            const siteClient: SiteClient = new SiteClient(site, node);
+            if (siteClient.isFunctionApp) {
+                treeItems.push(new FunctionAppTreeItem(siteClient, this._outputChannel));
+            }
+        }
+        return treeItems;
     }
 
     public async createChild(parent: IAzureNode, showCreatingNode: (label: string) => void, actionContext: IActionContext): Promise<IAzureTreeItem> {