diff --git a/index.php b/index.php
index 277bfa7e..c2ee77c9 100644
--- a/index.php
+++ b/index.php
@@ -64,6 +64,10 @@ public function __construct(
 			throw new \Exception('Invalid baseDir provided');
 		}
 
+		if (!str_ends_with($nextcloudDir, '/')) {
+			$nextcloudDir .= '/';
+		}
+
 		$this->nextcloudDir = $nextcloudDir;
 
 		[$this->configValues] = $this->readConfigFile();