diff --git a/lib/server/v2/webDAVServer/WebDAVServer.js b/lib/server/v2/webDAVServer/WebDAVServer.js
index dd89bceb..ca7112f7 100644
--- a/lib/server/v2/webDAVServer/WebDAVServer.js
+++ b/lib/server/v2/webDAVServer/WebDAVServer.js
@@ -67,14 +67,14 @@ var WebDAVServer = (function () {
         return true;
     };
     WebDAVServer.prototype.removeFileSystem = function (fs_path, _checkByReference, _callback) {
-        var checkByReference = _callback ? _checkByReference : false;
+        var checkByReference = _callback ? _checkByReference : true;
         var callback = _callback ? _callback : _checkByReference;
         var result = this.removeFileSystemSync(fs_path, checkByReference);
         if (callback)
             callback(result);
     };
     WebDAVServer.prototype.removeFileSystemSync = function (fs_path, checkByReference) {
-        if (checkByReference === void 0) { checkByReference = false; }
+        if (checkByReference === void 0) { checkByReference = true; }
         if (fs_path.constructor === Path_1.Path || fs_path.constructor === String) {
             var path = new Path_1.Path(fs_path).toString();
             if (this.fileSystems[path] === undefined)
diff --git a/src/server/v2/webDAVServer/WebDAVServer.ts b/src/server/v2/webDAVServer/WebDAVServer.ts
index 1d11af44..e9e47f50 100644
--- a/src/server/v2/webDAVServer/WebDAVServer.ts
+++ b/src/server/v2/webDAVServer/WebDAVServer.ts
@@ -116,7 +116,7 @@ export class WebDAVServer
     removeFileSystem(fs : FileSystem, checkByReference : boolean, callback : (nbRemoved ?: number) => void) : void
     removeFileSystem(fs_path : Path | string | FileSystem, _checkByReference : boolean | ((nbRemoved ?: number) => void), _callback ?: (nbRemoved ?: number) => void) : void
     {
-        const checkByReference = _callback ? _checkByReference as boolean : false;
+        const checkByReference = _callback ? _checkByReference as boolean : true;
         const callback = _callback ? _callback : _checkByReference as ((nbRemoved ?: number) => void);
 
         const result = this.removeFileSystemSync(fs_path as any, checkByReference);
@@ -126,7 +126,7 @@ export class WebDAVServer
 
     removeFileSystemSync(path : Path | string) : number
     removeFileSystemSync(fs : FileSystem, checkByReference ?: boolean) : number
-    removeFileSystemSync(fs_path : Path | string | FileSystem, checkByReference : boolean = false) : number
+    removeFileSystemSync(fs_path : Path | string | FileSystem, checkByReference : boolean = true) : number
     {
         if(fs_path.constructor === Path || fs_path.constructor === String)
         {