diff --git a/README.md b/README.md
index 440eb02f7..fe8a7e8c0 100644
--- a/README.md
+++ b/README.md
@@ -27,7 +27,7 @@ or you can add it directly in your composer.json file:
 ```
 {
     "require": {
-        "brozot/laravel-fcm": "^0.9.2"
+        "brozot/laravel-fcm": "^0.9.3"
     }
 }
 ```
@@ -437,7 +437,6 @@ The response contains information about token validity and sending state.
 
 If your application want to process more of different case of error, you may catching Followed Exceptions
 
-- MissingRegistrationException
 - InvalidPackageException
 - InvalidNotificationException
 - InvalidSenderIdException
@@ -463,6 +462,14 @@ Return the number of token modified
 
 --
 
+**hasMissingRegistrationIds()**
+
+Return a boolean with true if some token is missing.
+
+If this response is true, clean your database to be sure than not token is empty.
+
+--
+
 **tokenToDelete()**
 
 Return an array of token that are invalid and that should be removed from your datbase.
diff --git a/src/Downstream/Response.php b/src/Downstream/Response.php
index d4adb991e..690038256 100644
--- a/src/Downstream/Response.php
+++ b/src/Downstream/Response.php
@@ -32,6 +32,7 @@ class Response {
 	protected $numberSuccess = 0;
 	protected $numberFailure = 0;
 	protected $numberCanonicalId = 0;
+	protected $hasMissingRegistrationIds = false;
 
 	protected $tokensToDelete = [];
 	protected $tokensToModify = [];
@@ -111,6 +112,11 @@ public function numberModifiedToken()
 		return $this->numberCanonicalId;
 	}
 
+	public function hasMissingRegistrationIds()
+	{
+		return $this->hasMissingRegistrationIds;
+	}
+
 	public function tokenToDelete()
 	{
 		return $this->tokensToDelete;
@@ -157,7 +163,7 @@ private function detectCommonErrors() {
 			if (array_key_exists(self::ERROR, $result)) {
 
 				if (in_array(self::MISSING_REGISTRATION, $result)) {
-					throw new MissingRegistrationException();
+					$this->hasMissingRegistrationIds = true;
 				}
 
 				if (in_array(self::INVALID_PACKAGE_NAME, $result)) {
@@ -195,7 +201,7 @@ private function parseMultipleDevices()
 			}
 			else {
 				if (array_key_exists(self::ERROR, $result) && $this->to[ $index ]) {
-					if (in_array(self::NOT_REGISTERED, $result) || in_array(self::INVALID_REGISTRATION, $result) || in_array(self::MISSING_REGISTRATION, $result)) {
+					if (in_array(self::NOT_REGISTERED, $result) || in_array(self::INVALID_REGISTRATION, $result)) {
 						array_push($this->tokensToDelete, $this->to[ $index ]);
 					}
 
@@ -227,7 +233,7 @@ private function parseUniqueDevice()
 			}
 			else {
 				if (array_key_exists(self::ERROR, $result) && $this->to) {
-					if (in_array(self::NOT_REGISTERED, $result) || in_array(self::INVALID_REGISTRATION, $result) || in_array(self::MISSING_REGISTRATION, $result)) {
+					if (in_array(self::NOT_REGISTERED, $result) || in_array(self::INVALID_REGISTRATION, $result)) {
 						array_push($this->tokensToDelete, $this->to);
 					}
 				}
@@ -266,7 +272,7 @@ private function isLoginResult()
 		return app('config')['fcm.log_enabled'];
 	}
 }
-class MissingRegistrationException extends Exception {}
+
 class InvalidPackageException extends Exception {}
 class InvalidNotificationException extends Exception {}
 class InvalidSenderIdException extends Exception {}
diff --git a/tests/DownstreamTest.php b/tests/DownstreamTest.php
index a5e91d335..fab11fe42 100644
--- a/tests/DownstreamTest.php
+++ b/tests/DownstreamTest.php
@@ -90,6 +90,7 @@ public function it_construct_a_response_with_a_failure()
 		$this->assertEquals(0, $downstreamResponse->numberSuccess());
 		$this->assertEquals(1, $downstreamResponse->numberFailure());
 		$this->assertEquals(0, $downstreamResponse->numberModifiedToken());
+		$this->assertFalse($downstreamResponse->hasMissingRegistrationIds());
 
 		$this->assertCount(1, $downstreamResponse->tokenToDelete());
 		$this->assertEquals($token, $downstreamResponse->tokenToDelete()[0]);
@@ -104,7 +105,8 @@ public function it_construct_a_response_with_multiple_failures()
 		$tokens = [
 			"first_token",
 			"second_token",
-			"third_token"
+			"third_token",
+		    "fourth_token"
 		];
 
 		$response = new Response(200, [], "{
@@ -115,7 +117,8 @@ public function it_construct_a_response_with_multiple_failures()
                             \"results\": [
                                  { \"error\": \"NotRegistered\" },
                                  { \"error\": \"InvalidRegistration\" },
-                                 { \"error\": \"NotRegistered\" }
+                                 { \"error\": \"NotRegistered\" },
+                                 { \"error\": \"MissingRegistration\"}
                             ]
 						}" );
 
@@ -124,6 +127,7 @@ public function it_construct_a_response_with_multiple_failures()
 		$this->assertEquals(0, $downstreamResponse->numberSuccess());
 		$this->assertEquals(3, $downstreamResponse->numberFailure());
 		$this->assertEquals(0, $downstreamResponse->numberModifiedToken());
+		$this->assertTrue($downstreamResponse->hasMissingRegistrationIds());
 
 
 		$this->assertCount(3, $downstreamResponse->tokenToDelete());