diff -r d5ef492dd673 -r b0740dce1f1d src/Pure/Admin/component_verit.scala
--- a/src/Pure/Admin/component_verit.scala	Wed Apr 09 22:23:59 2025 +0200
+++ b/src/Pure/Admin/component_verit.scala	Wed Apr 09 22:29:11 2025 +0200
@@ -19,7 +19,7 @@
     target_dir: Path = Path.current,
     mingw: MinGW = MinGW.none
   ): Unit = {
-    mingw.check
+    mingw.check()
 
     Isabelle_System.with_tmp_dir("build") { tmp_dir =>
       /* component */