diff --git a/.gitignore b/.gitignore
index 301d855..e87ca6f 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,6 @@
 java_card_kit*/
 build/
 tools/
+*.cap
+*.class
+*.jar
diff --git a/build.xml b/build.xml
index 7981bba..632e9c5 100644
--- a/build.xml
+++ b/build.xml
@@ -5,7 +5,7 @@
   </description>
 
   <property environment="env"/>
-  <property name="EXPORT" value="crystal.cap" />
+  <property name="EXPORT" value="build/crystal.cap" />
   <property name="RID" value="A000000648" />
   <property name="AID" value="2F0002" />
 
@@ -45,18 +45,17 @@
     <!-- ant-javacard task from javacard.pro -->
     <taskdef name="javacard" classname="pro.javacard.ant.JavaCard" classpath="tools/ant-javacard.jar" />
     <javacard jckit="${env.JC_HOME}">
-      <cap aid="${RID}" sources="src/org/hacdc/crystal" targetsdk="${env.JC_CLASSIC_HOME}">
+      <cap aid="${RID}" output="${EXPORT}" sources="src/org/hacdc/crystal" targetsdk="${env.JC_CLASSIC_HOME}">
         <applet class="org.hacdc.crystal.Crystal" aid="${RID}${AID}" />
       </cap>
     </javacard>
-    <!-- <move file="CRYSTAL-TEMP.cap" tofile="build/crystal.cap" /> -->
   </target>
 
   <!-- Install Applet -->
   <target name="install" depends="build">
     <java jar="tools/gp.jar" fork="true">
       <arg value="-reinstall" />
-      <arg value="build/crystal.cap" />
+      <arg value="${EXPORT}" />
     </java>
   </target>