diff --git a/hystrix/src/main/java/demo/HystrixApplication.java b/hystrix/src/main/java/demo/HystrixApplication.java
index 633a692..859015c 100644
--- a/hystrix/src/main/java/demo/HystrixApplication.java
+++ b/hystrix/src/main/java/demo/HystrixApplication.java
@@ -34,9 +34,9 @@ public class HystrixApplication {
 	@RequestMapping("/fail")
 	public String fail(@RequestHeader(name = "X-No-Fail", required = false) String noFail) {
 		if (noFail != null) {
-			return this.myService.ok();
+			return this.myService.fail(false);
 		}
-		return this.myService.fail();
+		return this.myService.fail(true);
 	}
 
 	public static void main(String[] args) {
diff --git a/hystrix/src/main/java/demo/MyService.java b/hystrix/src/main/java/demo/MyService.java
index ad995e3..642a416 100644
--- a/hystrix/src/main/java/demo/MyService.java
+++ b/hystrix/src/main/java/demo/MyService.java
@@ -13,11 +13,15 @@ public class MyService {
 	}
 
 	@HystrixCommand(fallbackMethod = "fallback")
-	public String fail() {
-		throw new RuntimeException("fail now");
+	public String fail(boolean throwSomething) {
+		if(throwSomething)
+		  throw new RuntimeException("fail now");
+		else
+		  return "";
+
 	}
 
-	public String fallback() {
+	public String fallback(boolean throwSomething) {
 		return "from the fallback";
 	}
 }