diff --git a/extensions/guacamole-auth-jdbc/modules/guacamole-auth-jdbc-base/src/main/java/org/apache/guacamole/auth/jdbc/user/ModeledAuthenticatedUser.java b/extensions/guacamole-auth-jdbc/modules/guacamole-auth-jdbc-base/src/main/java/org/apache/guacamole/auth/jdbc/user/ModeledAuthenticatedUser.java
index 828b05e9c..5778ad01a 100644
--- a/extensions/guacamole-auth-jdbc/modules/guacamole-auth-jdbc-base/src/main/java/org/apache/guacamole/auth/jdbc/user/ModeledAuthenticatedUser.java
+++ b/extensions/guacamole-auth-jdbc/modules/guacamole-auth-jdbc-base/src/main/java/org/apache/guacamole/auth/jdbc/user/ModeledAuthenticatedUser.java
@@ -19,6 +19,7 @@
 
 package org.apache.guacamole.auth.jdbc.user;
 
+import com.google.common.collect.Sets;
 import java.util.Collections;
 import java.util.Set;
 import java.util.concurrent.ConcurrentHashMap;
@@ -168,5 +169,11 @@ public class ModeledAuthenticatedUser extends RemoteAuthenticatedUser {
     public void setIdentifier(String identifier) {
         user.setIdentifier(identifier);
     }
+    
+    @Override
+    public Set<String> getEffectiveUserGroups() {
+        return Sets.union(user.getEffectiveUserGroups(),
+                super.getEffectiveUserGroups());
+    }
 
 }