diff --git a/build.number b/build.number
index 2f506cc..7356711 100644
--- a/build.number
+++ b/build.number
@@ -1,3 +1,3 @@
 #Build Number for ANT. Do not edit!
-#Tue Aug 03 15:26:44 CEST 2021
-build.number=1225
+#Thu Oct 07 13:06:02 EEST 2021
+build.number=1226
diff --git a/proparse.assemblies.zip b/proparse.assemblies.zip
index f4a6471..654e97a 100644
Binary files a/proparse.assemblies.zip and b/proparse.assemblies.zip differ
diff --git a/proparse.jar b/proparse.jar
index 287beae..1101668 100644
Binary files a/proparse.jar and b/proparse.jar differ
diff --git a/proparse.java.zip b/proparse.java.zip
index c8d336b..bbab51a 100644
Binary files a/proparse.java.zip and b/proparse.java.zip differ
diff --git a/src/org/prorefactor/refactor/RefactorSession.java b/src/org/prorefactor/refactor/RefactorSession.java
index 8a1b14a..efec54d 100644
--- a/src/org/prorefactor/refactor/RefactorSession.java
+++ b/src/org/prorefactor/refactor/RefactorSession.java
@@ -46,6 +46,7 @@ private RefactorSession() {
 
 	private static RefactorSession theInstance;
 
+	private static String listingFile = null;
 	
 	
 	
@@ -127,9 +128,20 @@ public static RefactorSession getInstance() {
 
 	/** Get the listing file name, makes sure the directory exists. */
 	public static String getListingFileName() {
-		String ret = getContextDirName() + "prorefactor/temp/listingfile.txt";
-		(new File(ret)).getParentFile().mkdirs();
-		return ret;
+		
+		if (listingFile!=null )
+			return listingFile;
+		
+		StringBuilder bldr = new StringBuilder();
+		bldr
+			.append(getContextDirName())
+			.append("prorefactor/temp/listingfile.")
+			.append(System.currentTimeMillis())
+			.append(".txt")
+			;
+        listingFile = bldr.toString();
+		(new File(listingFile)).getParentFile().mkdirs();
+		return listingFile;
 	}
 
 	public static String getMessagesFileName() {