diff --git a/src/main/java/net/helenus/core/operation/AbstractFilterStreamOperation.java b/src/main/java/net/helenus/core/operation/AbstractFilterStreamOperation.java
index e0f4bca..2f707a9 100644
--- a/src/main/java/net/helenus/core/operation/AbstractFilterStreamOperation.java
+++ b/src/main/java/net/helenus/core/operation/AbstractFilterStreamOperation.java
@@ -22,7 +22,8 @@ import java.util.Map;
 import net.helenus.core.*;
 import net.helenus.mapping.HelenusProperty;
 
-public abstract class AbstractFilterStreamOperation<E, O extends AbstractFilterStreamOperation<E, O>>
+public abstract class AbstractFilterStreamOperation<
+        E, O extends AbstractFilterStreamOperation<E, O>>
     extends AbstractStreamOperation<E, O> {
 
   protected Map<HelenusProperty, Filter<?>> filters = null;