diff --git a/src/kernel/libroot/posix/stdio/vfscanf.c b/src/kernel/libroot/posix/stdio/vfscanf.c
index 5afaa4b36a..9e81a2ebea 100644
--- a/src/kernel/libroot/posix/stdio/vfscanf.c
+++ b/src/kernel/libroot/posix/stdio/vfscanf.c
@@ -150,7 +150,7 @@ literal:
 			flags |= SUPPRESS;
 			goto again;
 		case 'L':
-			flags |= LONGDBL;
+			flags |= LONGDBL | QUAD;
 			goto again;
 		case 'h':
 			flags |= SHORT;