diff --git a/lib/Db/SSOMapper.php b/lib/Db/SSOMapper.php
index 3cb62a85839ca8db0139802f6e147c334b652a36..d0f0c69cd93b489bb0a80f3de1a6503ba30aa926 100644
--- a/lib/Db/SSOMapper.php
+++ b/lib/Db/SSOMapper.php
@@ -31,7 +31,9 @@ class SSOMapper {
 		$this->logger = $logger;
 		$this->userManager = $userManager;
 		$this->crypto = $crypto;
-		$this->initConnection();
+		if (!empty($this->config->getSystemValue(self::SSO_CONFIG_KEY))) {
+			$this->initConnection();
+		}
 	}
 
 	public function isSSOEnabled() : bool {