diff --git a/src/main/java/org/ids_mannheim/TotalNGram.java b/src/main/java/org/ids_mannheim/TotalNGram.java
index 7eadabd..b5019f1 100644
--- a/src/main/java/org/ids_mannheim/TotalNGram.java
+++ b/src/main/java/org/ids_mannheim/TotalNGram.java
@@ -22,7 +22,7 @@
 
 public class TotalNGram implements Callable<Integer> {
     static public final Logger logger;
-    private static final int MAX_THREADS = Runtime.getRuntime().availableProcessors() * 2 / 3;
+    private static final int MAX_THREADS = Runtime.getRuntime().availableProcessors() - 2;
     private static final String DEFAULT_LOGFILE = "totalngram.log";
 
     static {