diff --git a/ui/build/config.go b/ui/build/config.go
index fdd15ff..2a00c41 100644
--- a/ui/build/config.go
+++ b/ui/build/config.go
@@ -1101,7 +1101,7 @@
 
 func (c *configImpl) NinjaArgs() []string {
 	if c.skipKati {
-		return c.arguments
+		return append(c.arguments, c.ninjaArgs...)
 	}
 	return c.ninjaArgs
 }