diff --git a/src/main/java/org/gcube/portlets/user/performfishanalytics/server/util/UrlEncoderUtil.java b/src/main/java/org/gcube/portlets/user/performfishanalytics/server/util/UrlEncoderUtil.java
index accc1fd..b310d16 100644
--- a/src/main/java/org/gcube/portlets/user/performfishanalytics/server/util/UrlEncoderUtil.java
+++ b/src/main/java/org/gcube/portlets/user/performfishanalytics/server/util/UrlEncoderUtil.java
@@ -9,7 +9,6 @@ import java.util.Base64;
 import java.util.List;
 import java.util.Map;
 
-import org.apache.commons.io.Charsets;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
@@ -47,7 +46,7 @@ public class UrlEncoderUtil {
 				for (String value : parameters.get(key)) {
 					
 					if(key.compareToIgnoreCase("DataInputs")==0) {
-						query+=String.format(key+"=%s", URLEncoder.encode(value, Charsets.ISO_8859_1.displayName()))+"&";
+						query+=String.format(key+"=%s", URLEncoder.encode(value, "ISO-8859-1"))+"&";
 					}else {
 						query+=String.format(key+"=%s", URLEncoder.encode(value, charset))+"&";
 					}