diff --git a/src/org/dclermonte/siba/model/SibaManager.java b/src/org/dclermonte/siba/model/SibaManager.java
index f9e9d8e..6e3c373 100644
--- a/src/org/dclermonte/siba/model/SibaManager.java
+++ b/src/org/dclermonte/siba/model/SibaManager.java
@@ -78,15 +78,15 @@ public class SibaManager
 		try
 		{
 
-			if ((fileToSave == null) || !(fileToSave.exists()))
+			if ((fileToSave == null) || !fileToSave.exists())
 			{
 				throw new SibaException(BUNDLE.getString("sourceNotExist.text"));
 			}
-			else if (!(fileToSave.isDirectory()))
+			else if (!fileToSave.isDirectory())
 			{
 				throw new SibaException(BUNDLE.getString("NotDirectorySource.text"));
 			}
-			else if (!(target.isDirectory()))
+			else if (!target.isDirectory())
 			{
 				throw new SibaException(BUNDLE.getString("NotDirectoryTarget.text"));
 			}