diff --git a/components/vfs/CMakeLists.txt b/components/vfs/CMakeLists.txt
index 51d7a21dd7..ca4550376a 100644
--- a/components/vfs/CMakeLists.txt
+++ b/components/vfs/CMakeLists.txt
@@ -7,6 +7,8 @@ if(${target} STREQUAL "linux")
     return()
 endif()
 
+set(sources "")
+
 list(APPEND sources "vfs.c"
                     "vfs_eventfd.c"
                     "vfs_semihost.c"