diff --git a/src/main/java/com/github/artlibs/autotrace4j/AutoTrace4j.java b/src/main/java/com/github/artlibs/autotrace4j/AutoTrace4j.java
index 2a0dedf..e6c7230 100644
--- a/src/main/java/com/github/artlibs/autotrace4j/AutoTrace4j.java
+++ b/src/main/java/com/github/artlibs/autotrace4j/AutoTrace4j.java
@@ -21,6 +21,7 @@
  * All rights Reserved.
  */
 public final class AutoTrace4j {
+    private AutoTrace4j(){}
 
     /**
      * Java Attach agentmain