diff --git a/src/main/java/org/gcube/socialnetworking/socialtoken/ReplaceableToken.java b/src/main/java/org/gcube/socialnetworking/socialtoken/ReplaceableToken.java
index 067476c..7ac76bb 100644
--- a/src/main/java/org/gcube/socialnetworking/socialtoken/ReplaceableToken.java
+++ b/src/main/java/org/gcube/socialnetworking/socialtoken/ReplaceableToken.java
@@ -30,8 +30,9 @@ public class ReplaceableToken extends Token {
 		attributes.put("class", "link");
 		attributes.put("href", linkTarget);
 		StringBuilder stringBuilder = new StringBuilder();
-		stringBuilder.append("<a ");
+		stringBuilder.append("<a");
 		for(String key : attributes.keySet()) {
+			stringBuilder.append(" ");
 			stringBuilder.append(key);
 			stringBuilder.append("=\"");
 			stringBuilder.append(attributes.get(key));