diff --git a/airtime_mvc/application/models/Block.php b/airtime_mvc/application/models/Block.php
index 2b88568fa..d7de15ca7 100644
--- a/airtime_mvc/application/models/Block.php
+++ b/airtime_mvc/application/models/Block.php
@@ -451,6 +451,10 @@ EOT;
             $this->block->save($this->con);
     
             $this->con->commit();
+            
+            //check if block is in any playlists and update the playlist's length
+            Application_Model_Playlist::updatePlaylistsLengthWithBlock($this->id, $this->getLength());
+            
         } catch (Exception $e) {
             $this->con->rollback();
             throw $e;
@@ -562,6 +566,11 @@ EOT;
             $this->block->save($this->con);
     
             $this->con->commit();
+            
+                        
+            //check if block is in any playlists and update the playlist's length
+            Application_Model_Playlist::updatePlaylistsLengthWithBlock($this->id, $this->getLength());
+            
         } catch (Exception $e) {
             $this->con->rollback();
             throw $e;
diff --git a/airtime_mvc/application/models/Playlist.php b/airtime_mvc/application/models/Playlist.php
index 5d716b107..17fc1907f 100644
--- a/airtime_mvc/application/models/Playlist.php
+++ b/airtime_mvc/application/models/Playlist.php
@@ -913,6 +913,26 @@ SQL;
     {
         CcPlaylistcontentsQuery::create()->findByDbPlaylistId($this->id)->delete();
     }
+    
+    /**
+     * After items get deleted/added from/to a block
+     * this function updates the length of playlists
+     * that contain that block
+     */
+    public static function updatePlaylistsLengthWithBlock($p_blockId, $p_blockLength) {
+        $playlists = CcPlaylistQuery::create()->find();
+        foreach ($playlists as $pl) {
+            $contents = CcPlaylistcontentsQuery::create()->findByDbPlaylistId($pl->getDbId());
+            //check if the block is in each playlist
+            foreach ($contents as $item) {
+                if ($item->getDbBlockId() == $p_blockId) {
+                    $item->setDbCliplength($p_blockLength);
+                    $con = Propel::getConnection(CcPlaylistPeer::DATABASE_NAME);
+                    $item->save($con);
+                }
+            }
+        }
+    }
 
 } // class Playlist