diff --git a/.gitignore b/.gitignore
index ae9d088..a7e41e1 100644
--- a/.gitignore
+++ b/.gitignore
@@ -27,3 +27,4 @@ nbproject
 
 # generated
 /repo/
+/bin/
diff --git a/src/main/java/net/minecraft/launchwrapper/Launch.java b/src/main/java/net/minecraft/launchwrapper/Launch.java
index 3a970f1..3fe49e7 100644
--- a/src/main/java/net/minecraft/launchwrapper/Launch.java
+++ b/src/main/java/net/minecraft/launchwrapper/Launch.java
@@ -135,6 +135,7 @@ public class Launch {
             mainMethod.invoke(null, (Object) argumentList.toArray(new String[argumentList.size()]));
         } catch (Exception e) {
             LogWrapper.log(Level.ERROR, e, "Unable to launch");
+            System.exit(1);
         }
     }
 }