diff --git a/bootstrap.sh b/bootstrap.sh
index 53d599b80..817b674ff 100755
--- a/bootstrap.sh
+++ b/bootstrap.sh
@@ -836,8 +836,9 @@ make_universe ()
   make_for_clang_analyzer
 
   use_banner 'mingw'
-  check_mingw
-  if [ $? -eq 0 ]; then
+
+  if !  check_mingw
+  then
     make_for_mingw
   fi