diff --git a/cmd/tools/vfmt.v b/cmd/tools/vfmt.v
index 453b892e43..af6b95c289 100644
--- a/cmd/tools/vfmt.v
+++ b/cmd/tools/vfmt.v
@@ -44,7 +44,7 @@ fn main() {
 	foptions := FormatOptions{
 		is_c: '-c' in args
 		is_l: '-l' in args
-		is_w: '-ww' in args
+		is_w: '-w' in args
 		is_diff: '-diff' in args
 		is_verbose: '-verbose' in args || '--verbose' in args
 		is_all: '-all' in args || '--all' in args