diff --git a/circle.yml b/circle.yml
index 1eddc2b03..3fcc43701 100644
--- a/circle.yml
+++ b/circle.yml
@@ -33,6 +33,10 @@ test:
         pwd: $GO_PROJECT
     - make test-datastore:
         pwd: $GO_PROJECT
+    - go build:
+        pwd: $GO_PROJECT/examples/middleware
+    - go build:
+        pwd: $GO_PROJECT/examples/extensions
 
 deployment:
   release:
diff --git a/examples/middleware/main.go b/examples/middleware/main.go
index 3ac72fcb8..db8aa5e6a 100644
--- a/examples/middleware/main.go
+++ b/examples/middleware/main.go
@@ -16,7 +16,7 @@ import (
 func main() {
 	ctx := context.Background()
 
-	funcServer := server.NewEnv(ctx)
+	funcServer := server.NewFromEnv(ctx)
 
 	funcServer.AddMiddlewareFunc(func(ctx server.MiddlewareContext, w http.ResponseWriter, r *http.Request, app *models.App) error {
 		start := time.Now()