diff --git a/openbis-ipad/BisKit/Classes/CISDOBIpadEntity.h b/openbis-ipad/BisKit/Classes/CISDOBIpadEntity.h
index d79118b30ffbed49b9bd2ce20511af18f5f1401f..c823ceb3321d3db9b45aa7f38d34a9d82225b224 100644
--- a/openbis-ipad/BisKit/Classes/CISDOBIpadEntity.h
+++ b/openbis-ipad/BisKit/Classes/CISDOBIpadEntity.h
@@ -40,7 +40,7 @@
 @property (nonatomic, retain) NSString * imageUrl;
 
 @property (nonatomic, retain) NSString * childrenPermIdsJson;
-@property (nonatomic, retain) NSArray * childrenPermIds;
+@property (readonly)          NSArray * childrenPermIds;
 
 @property (nonatomic, retain) NSString * propertiesJson;
 @property (readonly)          NSArray * properties;
diff --git a/openbis-ipad/BisKit/Classes/CISDOBIpadEntity.m b/openbis-ipad/BisKit/Classes/CISDOBIpadEntity.m
index 6b31a1df838a1ae334e23d98ca49a0a3a0dba5e3..ce2c3adde4536dab005f855eae0248c64e9bf710 100644
--- a/openbis-ipad/BisKit/Classes/CISDOBIpadEntity.m
+++ b/openbis-ipad/BisKit/Classes/CISDOBIpadEntity.m
@@ -71,7 +71,7 @@
     
     if (nil == childrenPermIds) {
         NSError *error;
-        NSArray *childrenPermIds = [NSJSONSerialization JSONObjectWithData: [self.propertiesJson dataUsingEncoding: NSASCIIStringEncoding] options: 0 error: &error];
+        childrenPermIds = [NSJSONSerialization JSONObjectWithData: [self.childrenPermIdsJson dataUsingEncoding: NSASCIIStringEncoding] options: 0 error: &error];
         if (error) {
             NSLog(@"Could not deserialize childrenPermIds %@", error);
         }
diff --git a/openbis-ipad/BisKit/Tests/CISDOBIpadEntityTest.m b/openbis-ipad/BisKit/Tests/CISDOBIpadEntityTest.m
index 070d457fe5d388b5d6ce183dc522ebeb2239c9ab..215e83719a436489cbcbfacf2c32d7a2c804600f 100644
--- a/openbis-ipad/BisKit/Tests/CISDOBIpadEntityTest.m
+++ b/openbis-ipad/BisKit/Tests/CISDOBIpadEntityTest.m
@@ -90,6 +90,11 @@ NSManagedObjectContext* GetDatabaseManagedObjectContext(NSURL* storeURL, NSError
         // Create new entities in the moc, and store them.
        	CISDOBIpadEntity *entity = [NSEntityDescription insertNewObjectForEntityForName: @"CISDOBIpadEntity" inManagedObjectContext: _moc];
         [entity initializeFromRawEntity: rawEntity];
+        
+        // Make sure that the children collection is parsable
+        if ([rawEntity.children length] > 2) {
+            STAssertTrue([entity.childrenPermIds count] > 0, @"%@ should result in an entity with children", rawEntity.children);
+        }
     }
     
     NSError *error;
diff --git a/openbis-ipad/Research/BisMac.xcodeproj/project.xcworkspace/xcuserdata/cramakri.xcuserdatad/UserInterfaceState.xcuserstate b/openbis-ipad/Research/BisMac.xcodeproj/project.xcworkspace/xcuserdata/cramakri.xcuserdatad/UserInterfaceState.xcuserstate
index 91ee00a08d27f9fb36dd06f81b5c0295b4bf2489..20ae66e13e1889dbeb80e88a5f24ae94d98c6fb9 100644
Binary files a/openbis-ipad/Research/BisMac.xcodeproj/project.xcworkspace/xcuserdata/cramakri.xcuserdatad/UserInterfaceState.xcuserstate and b/openbis-ipad/Research/BisMac.xcodeproj/project.xcworkspace/xcuserdata/cramakri.xcuserdatad/UserInterfaceState.xcuserstate differ
diff --git a/openbis-ipad/openBIS/openBIS.xcodeproj/project.xcworkspace/xcuserdata/cramakri.xcuserdatad/UserInterfaceState.xcuserstate b/openbis-ipad/openBIS/openBIS.xcodeproj/project.xcworkspace/xcuserdata/cramakri.xcuserdatad/UserInterfaceState.xcuserstate
index 263f41786bade207c24a8f467ec73afd29e4451c..7f905ee632c5c881a1b23061c0514742b3b555f9 100644
Binary files a/openbis-ipad/openBIS/openBIS.xcodeproj/project.xcworkspace/xcuserdata/cramakri.xcuserdatad/UserInterfaceState.xcuserstate and b/openbis-ipad/openBIS/openBIS.xcodeproj/project.xcworkspace/xcuserdata/cramakri.xcuserdatad/UserInterfaceState.xcuserstate differ