diff --git a/repos/os/include/vfs/single_file_system.h b/repos/os/include/vfs/single_file_system.h
index c8b2b4eeb9..78e7db077e 100644
--- a/repos/os/include/vfs/single_file_system.h
+++ b/repos/os/include/vfs/single_file_system.h
@@ -15,6 +15,7 @@
 #define _INCLUDE__VFS__SINGLE_FILE_SYSTEM_H_
 
 #include <vfs/file_system.h>
+#include <vfs/vfs_handle.h>
 
 namespace Vfs { class Single_file_system; }