diff --git a/collects/framework/private/main.ss b/collects/framework/private/main.ss
index 2b872ab4..2955d91e 100644
--- a/collects/framework/private/main.ss
+++ b/collects/framework/private/main.ss
@@ -199,7 +199,7 @@
 
 (preferences:set-default 'framework:highlight-parens #t boolean?)
 (preferences:set-default 'framework:fixup-parens #t boolean?)
-(preferences:set-default 'framework:fixup-open-parens #t boolean?)
+(preferences:set-default 'framework:fixup-open-parens #f boolean?)
 (preferences:set-default 'framework:paren-match #t boolean?)
 (let ([hash-table (make-hasheq)])
   (for-each (λ (x)