diff --git a/ganttzk/src/main/java/org/zkoss/ganttz/data/resourceload/LoadTimelinesGroup.java b/ganttzk/src/main/java/org/zkoss/ganttz/data/resourceload/LoadTimelinesGroup.java
index 8fd48aea1..833287c59 100644
--- a/ganttzk/src/main/java/org/zkoss/ganttz/data/resourceload/LoadTimelinesGroup.java
+++ b/ganttzk/src/main/java/org/zkoss/ganttz/data/resourceload/LoadTimelinesGroup.java
@@ -32,6 +32,7 @@ import org.zkoss.ganttz.util.Interval;
 public class LoadTimelinesGroup {
 
     public static Interval getIntervalFrom(List<LoadTimelinesGroup> timeLines) {
+        Validate.notEmpty(timeLines);
         LocalDate start = null;
         LocalDate end = null;
         for (LoadTimelinesGroup loadTimelinesGroup : timeLines) {
diff --git a/navalplanner-webapp/src/main/java/org/navalplanner/web/resourceload/ResourceLoadModel.java b/navalplanner-webapp/src/main/java/org/navalplanner/web/resourceload/ResourceLoadModel.java
index b8c1da032..aa0130b3c 100644
--- a/navalplanner-webapp/src/main/java/org/navalplanner/web/resourceload/ResourceLoadModel.java
+++ b/navalplanner-webapp/src/main/java/org/navalplanner/web/resourceload/ResourceLoadModel.java
@@ -24,6 +24,8 @@ import static org.navalplanner.web.I18nHelper._;
 
 import java.util.ArrayList;
 import java.util.Arrays;
+import java.util.Calendar;
+import java.util.Date;
 import java.util.LinkedList;
 import java.util.List;
 import java.util.ListIterator;
@@ -66,7 +68,18 @@ public class ResourceLoadModel implements IResourceLoadModel {
     @Transactional(readOnly = true)
     public void initGlobalView() {
         loadTimeLines = calculateLoadTimelinesGroups();
-        viewInterval = LoadTimelinesGroup.getIntervalFrom(loadTimeLines);
+        if (!loadTimeLines.isEmpty()) {
+            viewInterval = LoadTimelinesGroup.getIntervalFrom(loadTimeLines);
+        } else {
+            viewInterval = new Interval(new Date(), plusFiveYears(new Date()));
+        }
+    }
+
+    private Date plusFiveYears(Date date) {
+        Calendar calendar = Calendar.getInstance();
+        calendar.setTime(date);
+        calendar.add(Calendar.YEAR, 5);
+        return calendar.getTime();
     }
 
     private List<LoadTimelinesGroup> calculateLoadTimelinesGroups() {