diff --git a/vlib/os/os.v b/vlib/os/os.v
index ce7da1d335..4b10c49fe8 100644
--- a/vlib/os/os.v
+++ b/vlib/os/os.v
@@ -616,7 +616,7 @@ pub fn ext(path string) string {
 [deprecated]
 pub fn dir(path string) string {
 	println('Use filepath.dir')
-	return filepath.ext(path)
+	return filepath.dir(path)
 }
 
 [deprecated]