diff --git a/config/_default/hugo.toml b/config/_default/hugo.toml
index 6100a56c..85d63a1a 100644
--- a/config/_default/hugo.toml
+++ b/config/_default/hugo.toml
@@ -67,12 +67,3 @@ enableEmoji = true
       name = 'fragmentrefs'
       type = 'fragments'
       weight = 10
-
-[markup]
-  [markup.goldmark]
-    [markup.goldmark.extensions]
-      [markup.goldmark.extensions.passthrough]
-        enable = true
-        [markup.goldmark.extensions.passthrough.delimiters]
-          block = [['\[', '\]'], ['$$', '$$']]
-          inline = [['\(', '\)']]
diff --git a/config/_default/markup.toml b/config/_default/markup.toml
index c5449fc3..fccbfcc2 100644
--- a/config/_default/markup.toml
+++ b/config/_default/markup.toml
@@ -2,8 +2,15 @@
 # These settings are required for the theme to function.
 
 [goldmark]
-[goldmark.renderer]
-  unsafe = true
+  [goldmark.renderer]
+    unsafe = true
+
+  [goldmark.extensions]
+    [goldmark.extensions.passthrough]
+      enable = true
+      [goldmark.extensions.passthrough.delimiters]
+        block = [['\[', '\]'], ['$$', '$$']]
+        inline = [['\(', '\)']]
 
 [highlight]
   noClasses = false
diff --git a/exampleSite/config/_default/markup.toml b/exampleSite/config/_default/markup.toml
index c5449fc3..fccbfcc2 100644
--- a/exampleSite/config/_default/markup.toml
+++ b/exampleSite/config/_default/markup.toml
@@ -2,8 +2,15 @@
 # These settings are required for the theme to function.
 
 [goldmark]
-[goldmark.renderer]
-  unsafe = true
+  [goldmark.renderer]
+    unsafe = true
+
+  [goldmark.extensions]
+    [goldmark.extensions.passthrough]
+      enable = true
+      [goldmark.extensions.passthrough.delimiters]
+        block = [['\[', '\]'], ['$$', '$$']]
+        inline = [['\(', '\)']]
 
 [highlight]
   noClasses = false