diff --git a/src/Text/Pandoc/Extensions.hs b/src/Text/Pandoc/Extensions.hs
index 6415bdc89..646f7abfb 100644
--- a/src/Text/Pandoc/Extensions.hs
+++ b/src/Text/Pandoc/Extensions.hs
@@ -355,7 +355,7 @@ getDefaultExtensions "commonmark"      = extensionsFromList
 getDefaultExtensions "commonmark_x"    = extensionsFromList
   [ Ext_pipe_tables
   , Ext_raw_html
-  , Ext_auto_identifiers
+  , Ext_gfm_auto_identifiers
   , Ext_strikeout
   , Ext_task_lists
   , Ext_emoji
@@ -474,9 +474,10 @@ getAllExtensions f = universalExtensions <> getAll f
   getAll "plain"           = allMarkdownExtensions
   getAll "gfm"             = getAll "commonmark"
   getAll "commonmark"      =
-    autoIdExtensions <>
     extensionsFromList
-    [ Ext_pipe_tables
+    [ Ext_gfm_auto_identifiers
+    , Ext_ascii_identifiers
+    , Ext_pipe_tables
     , Ext_autolink_bare_uris
     , Ext_strikeout
     , Ext_task_lists
diff --git a/test/command/4742.md b/test/command/4742.md
index 600880e90..7be9a6077 100644
--- a/test/command/4742.md
+++ b/test/command/4742.md
@@ -2,7 +2,7 @@ Check that the commonmark reader handles the `ascii_identifiers`
 extension properly.
 
 ```
-% pandoc -f commonmark+auto_identifiers+gfm_auto_identifiers+ascii_identifiers -t native
+% pandoc -f commonmark+gfm_auto_identifiers+ascii_identifiers -t native
 # non ascii ⚠️ räksmörgås
 ^D
 [Header 1 ("non-ascii--raksmorgas",[],[]) [Str "non",Space,Str "ascii",Space,Str "\9888\65039",Space,Str "r\228ksm\246rg\229s"]]
@@ -13,7 +13,7 @@ formed from \9888 and \65039. The latter is a combining mark,
 so it survives...
 
 ```
-% pandoc -f commonmark+auto_identifiers+gfm_auto_identifiers-ascii_identifiers -t native
+% pandoc -f commonmark+gfm_auto_identifiers-ascii_identifiers -t native
 # non ascii ⚠️ räksmörgås
 ^D
 [Header 1 ("non-ascii-\65039-r\228ksm\246rg\229s",[],[]) [Str "non",Space,Str "ascii",Space,Str "\9888\65039",Space,Str "r\228ksm\246rg\229s"]]