diff --git a/pom.xml b/pom.xml
index 1e21c6727..2252d6391 100644
--- a/pom.xml
+++ b/pom.xml
@@ -43,7 +43,7 @@ knowledge of the CeCILL-B license and that you accept its terms.
     <properties>
         <!-- project version. Only to change it here (and in CoreConstants.java
            Follow this practice : https://maven.apache.org/maven-ci-friendly.html-->
-        <revision>2.4</revision>
+        <revision>2.4.1</revision>
         <changelist></changelist>
         <sha1/>
 
diff --git a/vip-core/src/main/java/fr/insalyon/creatis/vip/core/client/view/CoreConstants.java b/vip-core/src/main/java/fr/insalyon/creatis/vip/core/client/view/CoreConstants.java
index a4f7b79ae..29671a2d6 100644
--- a/vip-core/src/main/java/fr/insalyon/creatis/vip/core/client/view/CoreConstants.java
+++ b/vip-core/src/main/java/fr/insalyon/creatis/vip/core/client/view/CoreConstants.java
@@ -41,7 +41,7 @@
 public class CoreConstants implements IsSerializable {
 
 
-    public static final String VERSION = "v2.4";
+    public static final String VERSION = "v2.4.1";
     // Configuration Labels
     public static final String VO_NAME = "vo.name";
     public static final String VO_ROOT = "vo.root";
diff --git a/vip-core/src/main/java/fr/insalyon/creatis/vip/core/server/business/ConfigurationBusiness.java b/vip-core/src/main/java/fr/insalyon/creatis/vip/core/server/business/ConfigurationBusiness.java
index cace2fc8f..fae7d7100 100644
--- a/vip-core/src/main/java/fr/insalyon/creatis/vip/core/server/business/ConfigurationBusiness.java
+++ b/vip-core/src/main/java/fr/insalyon/creatis/vip/core/server/business/ConfigurationBusiness.java
@@ -697,6 +697,9 @@ public List<Group> getGroups() throws BusinessException {
     }
 
     public Group getGroup(String groupName) throws BusinessException {
+        if (groupName == null) {
+            return null;
+        }
         return this.getGroups().stream()
                 .filter(g -> groupName.equals(g.getName()))
                 .findAny().orElse(null);