diff --git a/src/fr/devinsy/util/strings/StringSet.java b/src/fr/devinsy/util/strings/StringSet.java
index 4d12790..d4e10b5 100644
--- a/src/fr/devinsy/util/strings/StringSet.java
+++ b/src/fr/devinsy/util/strings/StringSet.java
@@ -190,7 +190,14 @@ public class StringSet extends HashSet<String>
 	{
 		StringSet result;
 
-		String merge = this.toString();
+		StringBuffer buffer = new StringBuffer(length());
+
+		for (String string : this)
+		{
+			buffer.append(string);
+		}
+
+		String merge = buffer.toString();
 
 		clear();
 		add(merge);
@@ -382,14 +389,7 @@ public class StringSet extends HashSet<String>
 	{
 		String result;
 
-		StringBuffer buffer = new StringBuffer(length());
-
-		for (String string : this)
-		{
-			buffer.append(string);
-		}
-
-		result = buffer.toString();
+		result = toStringList().toStringWithCommas();
 
 		//
 		return result;