diff --git a/CHANGELOG.md b/CHANGELOG.md
index d611db7384c..63992158ee6 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -10,6 +10,7 @@
 - Fixes internal cache saving in `Phalcon\Mvc\Model\Binder` when no cache backend is used
 - Added the ability to get original values from `Phalcon\Mvc\Model\Binder`, added `Phalcon\Mvc\Micro::getModelBinder`, `Phalcon\Dispatcher::getModelBinder`
 - Added `prepend` parameter to `Phalcon\Loader::register` to specify autoloader's loading order to top most
+- Fixed `Phalcon\Session\Bag::remove` to initialize the bag before removing a value
 
 # [3.0.4](https://github.com/phalcon/cphalcon/releases/tag/v3.0.4) (XXXX-XX-XX)
 - Fixed Isnull check is not correct when the model field defaults to an empty string. [#12507](https://github.com/phalcon/cphalcon/issues/12507)
diff --git a/phalcon/session/bag.zep b/phalcon/session/bag.zep
index 21356525473..6550b568ff5 100644
--- a/phalcon/session/bag.zep
+++ b/phalcon/session/bag.zep
@@ -231,6 +231,10 @@ class Bag implements InjectionAwareInterface, BagInterface, \IteratorAggregate,
 	 */
 	public function remove(string! property) -> boolean
 	{
+		if this->_initialized === false {
+			this->initialize();
+		}
+
 		var data;
 
 		let data = this->_data;
diff --git a/tests/unit/Session/BagTest.php b/tests/unit/Session/BagTest.php
index a8ae07b714f..20bc3cb0ac7 100644
--- a/tests/unit/Session/BagTest.php
+++ b/tests/unit/Session/BagTest.php
@@ -83,4 +83,45 @@ function () {
             }
         );
     }
+
+    /**
+     * Delete a value in a bag (not initialized internally)
+     *
+     * @author Fabio Mora <mail@fabiomora.com>
+     * @since  2017-02-21
+     */
+    public function testDeleteInitializeInternalData()
+    {
+        $this->specify(
+            "Delete a value in a non initialized bag has failed",
+            function () {
+                $reflectionClass = new \ReflectionClass(\Phalcon\Session\Bag::class);
+                $_data = $reflectionClass->getProperty('_data');
+                $_data->setAccessible(true);
+                $_initialized = $reflectionClass->getProperty('_initialized');
+                $_initialized->setAccessible(true);
+
+                // Setup a bag with a value
+                $bag = new \Phalcon\Session\Bag('fruit');
+                $bag->set('apples', 10);
+                expect($bag->get('apples'))->same(10);
+                expect($_data->getValue($bag))->same(['apples' => 10]);
+                expect($_initialized->getValue($bag))->true();
+
+                // Emulate a reset of the internal status (e.g. as would be done by a sleep/wakeup handler)
+                $serializedBag = serialize($bag);
+                unset($bag);
+
+                $bag = unserialize($serializedBag);
+                $_data->setValue($bag, null);
+                $_initialized->setValue($bag, false);
+
+                // Delete
+                expect($_initialized->getValue($bag))->false();
+                expect($bag->remove('apples'))->true();
+                expect($bag->get('apples'))->null();
+                expect($_initialized->getValue($bag))->true();
+            }
+        );
+    }
 }