Index: lams_common/src/java/org/lamsfoundation/lams/learningdesign/dto/ActivityURL.java
===================================================================
diff -u -rbfa7dfb5557d54767b137652b34dd89c13fb1227 -r73617421050aa52425d5a1d9b11e731c7e153544
--- lams_common/src/java/org/lamsfoundation/lams/learningdesign/dto/ActivityURL.java	(.../ActivityURL.java)	(revision bfa7dfb5557d54767b137652b34dd89c13fb1227)
+++ lams_common/src/java/org/lamsfoundation/lams/learningdesign/dto/ActivityURL.java	(.../ActivityURL.java)	(revision 73617421050aa52425d5a1d9b11e731c7e153544)
@@ -47,7 +47,7 @@
     private boolean floating;
     private byte status;
     private boolean defaultURL;
-    private long duration;
+    private Long duration;
     private List<ActivityURL> childActivities;
 
     public ActivityURL() {