diff --git a/nx/include/switch/services/fs.h b/nx/include/switch/services/fs.h
index 7b1fadf8..c0d549f6 100644
--- a/nx/include/switch/services/fs.h
+++ b/nx/include/switch/services/fs.h
@@ -179,8 +179,8 @@ typedef enum
 } FsFileSystemType;
 
 /// Mount requested filesystem type from content file
-Result fsOpenFileSystem(FsFileSystem* out, u64 titleId, FsFileSystemType fsType); /// only on 1.0.0, only works with registered content
-Result fsOpenFileSystemWithId(FsFileSystem* out, u64 titleId, FsFileSystemType fsType, const char* contentPath); /// 2.0.0+, contentPath must be resolved manually
+Result fsOpenFileSystem(FsFileSystem* out, FsFileSystemType fsType, const char* contentPath); /// only on 1.0.0
+Result fsOpenFileSystemWithId(FsFileSystem* out, u64 titleId, FsFileSystemType fsType, const char* contentPath); /// 2.0.0+
 
 // IFileSystem
 Result fsFsCreateFile(FsFileSystem* fs, const char* path, size_t size, int flags);
diff --git a/nx/source/services/fs.c b/nx/source/services/fs.c
index f36c273d..d1479185 100644
--- a/nx/source/services/fs.c
+++ b/nx/source/services/fs.c
@@ -432,15 +432,18 @@ Result fsMount_SystemSaveData(FsFileSystem* out, u64 saveID) {
     return fsMountSystemSaveData(out, FsSaveDataSpaceId_NandSystem, &save);
 }
 
-Result fsOpenFileSystem(FsFileSystem* out, u64 titleId, FsFileSystemType fsType) {
+Result fsOpenFileSystem(FsFileSystem* out, FsFileSystemType fsType, const char* contentPath) {
+    char sendStr[FS_MAX_PATH] = {0};
+    strncpy(sendStr, contentPath, sizeof(sendStr)-1);
+
     IpcCommand c;
     ipcInitialize(&c);
+    ipcAddSendStatic(&c, sendStr, sizeof(sendStr), 0);
 
     struct {
         u64 magic;
         u64 cmd_id;
         u32 fsType;
-        u64 titleId;
     } *raw;
 
     raw = ipcPrepareHeader(&c, sizeof(*raw));
@@ -448,7 +451,6 @@ Result fsOpenFileSystem(FsFileSystem* out, u64 titleId, FsFileSystemType fsType)
     raw->magic = SFCI_MAGIC;
     raw->cmd_id = 0;
     raw->fsType = fsType;
-    raw->titleId = titleId;
 
     Result rc = serviceIpcDispatch(&g_fsSrv);