diff --git a/dsl/si4demo/src/main/java/org/springframework/integration/samples/si4demo/springone/g/GIMAP.java b/dsl/si4demo/src/main/java/org/springframework/integration/samples/si4demo/springone/g/GIMAP.java
index 53f67811..aee3eb1d 100644
--- a/dsl/si4demo/src/main/java/org/springframework/integration/samples/si4demo/springone/g/GIMAP.java
+++ b/dsl/si4demo/src/main/java/org/springframework/integration/samples/si4demo/springone/g/GIMAP.java
@@ -68,7 +68,7 @@ public class GIMAP {
 						.put(MailHeaders.SUBJECT, "payload.subject")
 						.put(MailHeaders.FROM, "payload.from[0].toString()")))
 				.transform("payload.content")
-				.handle(System.out::println)
+				.<String>handle(System.out::println)
 				.get();
 	}
 
diff --git a/dsl/si4demo/src/main/resources/application.yml b/dsl/si4demo/src/main/resources/application.yml
index da687ee4..6b5cfc84 100644
--- a/dsl/si4demo/src/main/resources/application.yml
+++ b/dsl/si4demo/src/main/resources/application.yml
@@ -5,6 +5,6 @@ twitter:
     accessToken:
     accessTokenSecret:
 
- gmail:
+gmail:
   user:
   password: