diff --git a/log4j2-appender/src/test/java/pl/tkowalcz/tjahzi/log4j2/infra/LokiAssert.java b/log4j2-appender/src/test/java/pl/tkowalcz/tjahzi/log4j2/infra/LokiAssert.java
index 3812186..1117c1f 100644
--- a/log4j2-appender/src/test/java/pl/tkowalcz/tjahzi/log4j2/infra/LokiAssert.java
+++ b/log4j2-appender/src/test/java/pl/tkowalcz/tjahzi/log4j2/infra/LokiAssert.java
@@ -39,6 +39,7 @@ public class LokiAssert {
     }
 
     public LokiAssert withFormParam(String param) {
+        System.out.println("param = " + param);
         this.param = param;
         return this;
     }