diff --git a/lib/private/Files/Mount/MountPoint.php b/lib/private/Files/Mount/MountPoint.php
index 49f7e560ad373..00d295a04807c 100644
--- a/lib/private/Files/Mount/MountPoint.php
+++ b/lib/private/Files/Mount/MountPoint.php
@@ -172,6 +172,8 @@ private function createStorage() {
 				if ($this->mountPoint === '/') {
 					// the root storage could not be initialized, show the user!
 					throw new \Exception('The root storage could not be initialized. Please contact your local administrator.', $exception->getCode(), $exception);
+				} elseif (substr_count($this->mountPoint, '/') == 2) { // home mount is `/<userid/`, all extra mounts have more /'s
+					throw new \Exception('The home storage could not be initialized. Please contact your local administrator.', $exception->getCode(), $exception);
 				} else {
 					\OC::$server->get(LoggerInterface::class)->error($exception->getMessage(), ['exception' => $exception]);
 				}
diff --git a/tests/lib/Files/Mount/MountPointTest.php b/tests/lib/Files/Mount/MountPointTest.php
index 106a8f9a9328c..0776d13939b9b 100644
--- a/tests/lib/Files/Mount/MountPointTest.php
+++ b/tests/lib/Files/Mount/MountPointTest.php
@@ -56,7 +56,7 @@ public function testInvalidStorage() {
 		$mountPoint = new \OC\Files\Mount\MountPoint(
 			// just use this because a real class is needed
 			'\Test\Files\Mount\DummyStorage',
-			'/mountpoint',
+			'/mountpoint/test',
 			null,
 			$loader
 		);