diff --git a/lib/private/Share20/ProviderFactory.php b/lib/private/Share20/ProviderFactory.php
index 87d9d2218101e..7958973952355 100644
--- a/lib/private/Share20/ProviderFactory.php
+++ b/lib/private/Share20/ProviderFactory.php
@@ -173,7 +173,7 @@ public function getProvider($id) {
 			$provider = $this->defaultShareProvider();
 		} else if ($id === 'ocFederatedSharing') {
 			$provider = $this->federatedShareProvider();
-		} else if ($id = 'ocMailShare') {
+		} else if ($id === 'ocMailShare') {
 			$provider = $this->getShareByMailProvider();
 		}