diff --git a/src/com/hectorone/multismssender/DeliveryDbAdapter.java b/src/com/hectorone/multismssender/DeliveryDbAdapter.java
index 36fa67e..b7d0e66 100644
--- a/src/com/hectorone/multismssender/DeliveryDbAdapter.java
+++ b/src/com/hectorone/multismssender/DeliveryDbAdapter.java
@@ -101,10 +101,12 @@ public class DeliveryDbAdapter {
 	public DeliveryDbAdapter open() throws SQLException {
 		mDbHelper = new DeliveryDbHelper(mCtx);
 		mDb = mDbHelper.getWritableDatabase();
+		
 		return this;
 	}
 
 	public void close() {
+		mDb.close();
 		mDbHelper.close();
 	}
 
@@ -125,7 +127,7 @@ public class DeliveryDbAdapter {
 		initialValues.put(KEY_DELIVERY_ENTRY_NUMBER, number);
 		initialValues.put(KEY_DELIVERY_ENTRY_DELIVERY_ID, deliveryID);
 		initialValues.put(KEY_DELIVERY_ENTRY_DELIVERED, 0);
-
+		
 		return mDb.insert(DATABASE_DELIVERY_ENTRY_TABLE, null, initialValues);
 	}