diff --git a/lib/Storage/OneDrive.php b/lib/Storage/OneDrive.php
index a24b560..1385ae2 100644
--- a/lib/Storage/OneDrive.php
+++ b/lib/Storage/OneDrive.php
@@ -87,12 +87,12 @@ public function __construct($params)
 			$container = $app->getContainer();
 			$this->server = $container->getServer();
 
-			$this->token = json_decode(base64_decode($params['token']));
+			$this->token = json_decode(gzinflate(base64_decode($params['token'])));
 
 			if ($this->token !== null) {
 				$now = time() + 300;
 				if ($this->token->expires <= $now) {
-					$this->token = json_decode(base64_decode($this->refreshToken($this->token)));
+					$this->token = json_decode(gzinflate(base64_decode($this->refreshToken($this->token))));
 				}
 			}
 
@@ -180,7 +180,7 @@ public function refreshToken()
 		$newToken = json_decode($newToken, true);
 		$newToken['code_uid'] = $this->token->code_uid;
 
-		$newToken = base64_encode(json_encode($newToken));
+		$newToken = base64_encode(gzdeflate(json_encode($newToken), 9));
 
 		$user = $this->server->getUserSession()->getUser();