diff --git a/lib/private/Files/Storage/Wrapper/Jail.php b/lib/private/Files/Storage/Wrapper/Jail.php
index 65ee6f1181ad7..7f23971b375a8 100644
--- a/lib/private/Files/Storage/Wrapper/Jail.php
+++ b/lib/private/Files/Storage/Wrapper/Jail.php
@@ -344,6 +344,10 @@ public function free_space($path) {
 		return $this->getWrapperStorage()->free_space($this->getUnjailedPath($path));
 	}
 
+	public function free_space_skip_unjail_path($path) {
+		return $this->getWrapperStorage()->free_space($path);
+	}
+
 	/**
 	 * search for occurrences of $query in file names
 	 *
diff --git a/lib/private/Files/Storage/Wrapper/Wrapper.php b/lib/private/Files/Storage/Wrapper/Wrapper.php
index 6bc66bf9c8929..c275c4ef93a2f 100644
--- a/lib/private/Files/Storage/Wrapper/Wrapper.php
+++ b/lib/private/Files/Storage/Wrapper/Wrapper.php
@@ -334,6 +334,10 @@ public function free_space($path) {
 		return $this->getWrapperStorage()->free_space($path);
 	}
 
+	public function free_space_skip_unjail_path($path) {
+		return $this->getWrapperStorage()->free_space_skip_unjail_path($path);
+	}
+
 	/**
 	 * search for occurrences of $query in file names
 	 *
diff --git a/lib/private/legacy/OC_Helper.php b/lib/private/legacy/OC_Helper.php
index 0d1903007c27e..dfee4839d0a4b 100644
--- a/lib/private/legacy/OC_Helper.php
+++ b/lib/private/legacy/OC_Helper.php
@@ -517,8 +517,10 @@ public static function getStorageInfo($path, $rootInfo = null, $includeMountPoin
 		$mount = $rootInfo->getMountPoint();
 		$storage = $mount->getStorage();
 		$sourceStorage = $storage;
+		$skipUnjailPath = false;
 		if ($storage->instanceOfStorage('\OCA\Files_Sharing\SharedStorage')) {
 			$includeExtStorage = false;
+			$skipUnjailPath = true;
 			$internalPath = $storage->getUnjailedPath($rootInfo->getInternalPath());
 		} else {
 			$internalPath = $rootInfo->getInternalPath();
@@ -545,7 +547,11 @@ public static function getStorageInfo($path, $rootInfo = null, $includeMountPoin
 			$quota = $sourceStorage->getQuota();
 		}
 		try {
-			$free = $sourceStorage->free_space($internalPath);
+			if ($skipUnjailPath === True) {
+				$free = $sourceStorage->free_space_skip_unjail_path($internalPath);
+			} else {
+				$free = $sourceStorage->free_space($internalPath);
+			}
 		} catch (\Exception $e) {
 			if ($path === "") {
 				throw $e;