1 files changed, 1 insertions, 1 deletions

diff --git a/src/coding.c b/src/coding.c
index cb81375a043..8a09cd67859 100644
--- a/src/coding.c
+++ b/src/coding.c
@@ -10877,7 +10877,7 @@ decode text as usual.  */);
   DEFVAR_BOOL ("disable-ascii-optimization", disable_ascii_optimization,
                doc: /* If non-nil, Emacs does not optimize code decoder for ASCII files.
 Internal use only.  Removed after the experimental optimizer gets stable. */);
-  disable_ascii_optimization = 1;
+  disable_ascii_optimization = 0;
 
   DEFVAR_LISP ("translation-table-for-input", Vtranslation_table_for_input,
                doc: /* Char table for translating self-inserting characters.