diff --git a/ccu-historian/CCU-Historian.launch b/ccu-historian/CCU-Historian.launch
index 79a50b52..64ff8bee 100644
--- a/ccu-historian/CCU-Historian.launch
+++ b/ccu-historian/CCU-Historian.launch
@@ -1,13 +1,14 @@
 <?xml version="1.0" encoding="UTF-8" standalone="no"?>
 <launchConfiguration type="org.eclipse.jdt.launching.localJavaApplication">
-<listAttribute key="org.eclipse.debug.core.MAPPED_RESOURCE_PATHS">
-<listEntry value="/ccu-historian/src/mdz/ccuhistorian/Main.groovy"/>
-</listAttribute>
-<listAttribute key="org.eclipse.debug.core.MAPPED_RESOURCE_TYPES">
-<listEntry value="1"/>
-</listAttribute>
-<stringAttribute key="org.eclipse.jdt.launching.MAIN_TYPE" value="mdz.ccuhistorian.Main"/>
-<stringAttribute key="org.eclipse.jdt.launching.PROGRAM_ARGUMENTS" value="-loglevel all"/>
-<stringAttribute key="org.eclipse.jdt.launching.PROJECT_ATTR" value="ccu-historian"/>
-<stringAttribute key="org.eclipse.jdt.launching.WORKING_DIRECTORY" value="${workspace_loc:ccu-historian/run}"/>
+    <listAttribute key="org.eclipse.debug.core.MAPPED_RESOURCE_PATHS">
+        <listEntry value="/ccu-historian/src/mdz/ccuhistorian/Main.groovy"/>
+    </listAttribute>
+    <listAttribute key="org.eclipse.debug.core.MAPPED_RESOURCE_TYPES">
+        <listEntry value="1"/>
+    </listAttribute>
+    <booleanAttribute key="org.eclipse.jdt.launching.ATTR_USE_CLASSPATH_ONLY_JAR" value="false"/>
+    <stringAttribute key="org.eclipse.jdt.launching.MAIN_TYPE" value="mdz.ccuhistorian.Main"/>
+    <stringAttribute key="org.eclipse.jdt.launching.PROGRAM_ARGUMENTS" value="-loglevel all"/>
+    <stringAttribute key="org.eclipse.jdt.launching.PROJECT_ATTR" value="ccu-historian"/>
+    <stringAttribute key="org.eclipse.jdt.launching.WORKING_DIRECTORY" value="${workspace_loc:ccu-historian/run}"/>
 </launchConfiguration>
diff --git a/ccu-historian/build.properties b/ccu-historian/build.properties
index a3a81aec..183f3baf 100644
--- a/ccu-historian/build.properties
+++ b/ccu-historian/build.properties
@@ -1,2 +1,2 @@
 # version of this build
-version=2.4.0-beta.1
+version=2.4.0-beta.2
diff --git a/ccu-historian/src/mdz/ccuhistorian/Main.groovy b/ccu-historian/src/mdz/ccuhistorian/Main.groovy
index 1b0f081e..dba80265 100644
--- a/ccu-historian/src/mdz/ccuhistorian/Main.groovy
+++ b/ccu-historian/src/mdz/ccuhistorian/Main.groovy
@@ -24,7 +24,7 @@ import mdz.hc.persistence.Storage
 
 class Main {
 
-	public static String version='2.4.0-beta.1'
+	public static String version='2.4.0-beta.2'
 	
 	private static final Logger log=Logger.getLogger(Main.class.name)
 	private static Main main