diff --git a/addon/YaCy.app/Contents/Info.plist b/addon/YaCy.app/Contents/Info.plist
index 2d46c21f2..69804aa9f 100644
--- a/addon/YaCy.app/Contents/Info.plist
+++ b/addon/YaCy.app/Contents/Info.plist
@@ -7,7 +7,7 @@
 <key>CFBundleDisplayName</key>
 <string>YaCy</string>
 <key>CFBundleShortVersionString</key>
-<string>1.82</string>
+<string>1.90</string>
 <key>CFBundleGetInfoString</key>
 <string>Peer-to-Peer Search Engine</string>
 <key>NSHumanReadableCopyright</key>
@@ -15,11 +15,11 @@
 <key>CFBundleIdentifier</key>
 <string>net.yacy.yacy</string>
 <key>CFBundleVersion</key>
-<string>1.82</string>
+<string>1.90</string>
 <key>CFBundleAllowMixedLocalizations</key>
 <string>true</string>
 <key>CFBundleExecutable</key>
-<string>JavaAppLauncher</string>
+<string>startYACY.sh</string>
 <key>CFBundleDevelopmentRegion</key>
 <string>English</string>
 <key>CFBundlePackageType</key>
@@ -30,14 +30,5 @@
 <string>6.0</string>
 <key>CFBundleIconFile</key>
 <string>YaCy_2013_Icon.icns</string>
-<key>JVMMainClassName</key>
-<string>net.yacy.yacy</string>
-<key>JVMOptions</key>
-<array>
-</array>
-<key>JVMArguments</key>
-<array>
-</array>
-
 </dict>
 </plist>
diff --git a/addon/YaCy.app/Contents/MacOS/JavaAppLauncher b/addon/YaCy.app/Contents/MacOS/JavaAppLauncher
deleted file mode 100755
index 7bddebea2..000000000
Binary files a/addon/YaCy.app/Contents/MacOS/JavaAppLauncher and /dev/null differ
diff --git a/build.xml b/build.xml
index 6e56795da..faeb82bc0 100644
--- a/build.xml
+++ b/build.xml
@@ -764,9 +764,9 @@
   		<fileset dir="${addon}/YaCy.app"></fileset>
   	</copy>
   	<copy file="${addon}/YaCy.app/Contents/Info.plist" tofile="${release_mac}/YaCy.app/Contents/Info.plist" filtering="true" overwrite="true" />
-  	<move file="${release_main}" tofile="${release_mac}/YaCy.app/Contents/Resources/Java" verbose="false" />
-    <chmod file="${release_mac}/YaCy.app/Contents/MacOS/JavaAppLauncher" perm="755"/>
-  	<chmod file="${release_mac}/YaCy.app/Contents/Resources/Java/startYACY.sh" perm="755"/>
+  	<move file="${release_main}" tofile="${release_mac}/YaCy.app/Contents/MacOS" verbose="false" />
+  	<!-- startYACY.sh will be the main entry point : we set permissions to make it an executable file -->
+  	<chmod file="${release_mac}/YaCy.app/Contents/MacOS/startYACY.sh" perm="755"/>
   	<exec executable="hdiutil">
   	  	<arg line="create -srcfolder ${release_mac}/YaCy.app ${release}/yacy_v${releaseVersion}_${DSTAMP}_${releaseNr}.dmg"/>
   	</exec>