diff --git a/nx/include/switch/services/fs.h b/nx/include/switch/services/fs.h
index 859dfdc9..0cdd3358 100644
--- a/nx/include/switch/services/fs.h
+++ b/nx/include/switch/services/fs.h
@@ -145,6 +145,7 @@ void fsExit(void);
 Service* fsGetServiceSession(void);
 
 Result fsOpenBisStorage(FsStorage* out, u32 PartitionId);
+Result fsOpenBisFileSystem(FsFileSystem* out, u32 PartitionId, const char* string);
 
 /// Do not call this directly, see fs_dev.h.
 Result fsMountSdcard(FsFileSystem* out);
diff --git a/nx/source/services/fs.c b/nx/source/services/fs.c
index 8acb4ae1..5223e31e 100644
--- a/nx/source/services/fs.c
+++ b/nx/source/services/fs.c
@@ -101,6 +101,43 @@ Result fsOpenBisStorage(FsStorage* out, u32 PartitionId) {
     return rc;
 }
 
+Result fsOpenBisFileSystem(FsFileSystem* out, u32 PartitionId, const char* string) {
+    IpcCommand c;
+    ipcInitialize(&c);
+    ipcAddSendStatic(&c, string, FS_MAX_PATH, 0);
+    struct {
+        u64 magic;
+        u64 cmd_id;
+        u32 PartitionId;
+    } *raw;
+
+    raw = ipcPrepareHeader(&c, sizeof(*raw));
+
+    raw->magic = SFCI_MAGIC;
+    raw->cmd_id = 11;
+    raw->PartitionId = PartitionId;
+
+    Result rc = serviceIpcDispatch(&g_fsSrv);
+
+    if (R_SUCCEEDED(rc)) {
+        IpcParsedCommand r;
+        ipcParse(&r);
+
+        struct {
+            u64 magic;
+            u64 result;
+        } *resp = r.Raw;
+
+        rc = resp->result;
+
+        if (R_SUCCEEDED(rc)) {
+            serviceCreate(&out->s, r.Handles[0]);
+        }
+    }
+
+    return rc;
+}
+
 Result fsMountSdcard(FsFileSystem* out) {
     IpcCommand c;
     ipcInitialize(&c);