diff --git a/src/main/java/net/fortuna/ical4j/model/parameter/Member.java b/src/main/java/net/fortuna/ical4j/model/parameter/Member.java
index 7385f826b..1582ed389 100644
--- a/src/main/java/net/fortuna/ical4j/model/parameter/Member.java
+++ b/src/main/java/net/fortuna/ical4j/model/parameter/Member.java
@@ -81,7 +81,7 @@ public final List<URI> getGroups() {
      * {@inheritDoc}
      */
     public final String getValue() {
-        return getGroups().toString();
+        return groups.toString();
     }
 
     /**