diff --git a/.travis.yml b/.travis.yml
index 7350aac0..faf65757 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,5 +1,5 @@
-language:java
-jdk:11
+language: java
+jdk: oraclejdk11
 
 before_install:
   - chmod +x gradlew
diff --git a/build.gradle b/build.gradle
index ce97c7ba..683e4870 100644
--- a/build.gradle
+++ b/build.gradle
@@ -12,7 +12,7 @@ repositories {
 
 application {
     // Change this to your main class.
-    mainClassName = "seedu.duke.Duke"
+    mainClassName = "duke/Duke"
 }
 
 run {