diff --git a/.gitignore b/.gitignore
index 2873e189e1..6f057dbab2 100644
--- a/.gitignore
+++ b/.gitignore
@@ -4,6 +4,7 @@
 /*.iml
 
 # Gradle build files
+*.jar
 /.gradle/
 /build/
 src/main/resources/docs/
diff --git a/build.gradle b/build.gradle
index 5dca0b5414..47fe6a5e4f 100644
--- a/build.gradle
+++ b/build.gradle
@@ -44,7 +44,7 @@ test {
 }
 
 application {
-    mainClass.set("duke.Duke")
+    mainClass.set("duke.Launcher")
 }
 
 shadowJar {
@@ -54,6 +54,6 @@ shadowJar {
     archiveFileName = "duke.jar"
 }
 
-run{
+run {
     standardInput = System.in
 }