diff --git a/fs/vfs/fs_unlink.c b/fs/vfs/fs_unlink.c
index c71bec1a0e..c5f958de57 100644
--- a/fs/vfs/fs_unlink.c
+++ b/fs/vfs/fs_unlink.c
@@ -59,7 +59,7 @@
 #endif
 
 #undef FS_HAVE_PSEUDOFS_OPERATIONS
-#if defined(CONFIG_DISABLE_PSEUDOFS_OPERATIONS) && CONFIG_NFILE_STREAMS > 0
+#if !defined(CONFIG_DISABLE_PSEUDOFS_OPERATIONS) && CONFIG_NFILE_STREAMS > 0
 #  define FS_HAVE_PSEUDOFS_OPERATIONS 1
 #endif