diff --git a/win32utils/Configure b/win32utils/Configure
index 8c8df49079..f2cde4ded8 100644
--- a/win32utils/Configure
+++ b/win32utils/Configure
@@ -2839,7 +2839,9 @@ sub setupfile {
     if ($verbose) {
         print "Setting up $filename\n";
     }
-    binmode(F);
+    if (!$legacy_only) {
+        binmode(F);
+    }
     foreach $line (@Linesout) {
         print F $line . "\n";
     }