diff --git a/src/tools/fs_shell/kernel_export.cpp b/src/tools/fs_shell/kernel_export.cpp
index 478aee8603..6b4e3e8ec3 100644
--- a/src/tools/fs_shell/kernel_export.cpp
+++ b/src/tools/fs_shell/kernel_export.cpp
@@ -21,6 +21,13 @@ fssh_spawn_kernel_thread(fssh_thread_func function, const char *threadName,
 }
 
 
+fssh_status_t
+fssh_wait_for_thread(fssh_thread_id thread, fssh_status_t *_returnCode)
+{
+	return FSSH_B_ERROR;
+}
+
+
 fssh_status_t
 fssh_user_memcpy(void *dest, const void *source, fssh_size_t length)
 {