diff --git a/CHANGELOG.develop b/CHANGELOG.develop
index 62957011f..ce8ef5cf3 100644
--- a/CHANGELOG.develop
+++ b/CHANGELOG.develop
@@ -497,6 +497,8 @@ Other:
     to Sylvain Benner)
   - New function =configuration-layer/load-file= to load files silently (thanks
     to Sylvain Benner)
+  - Fix configuration-layer/insert-lazy-install-configuration, which has been
+    broken since v0.200.0.
   - Fixed duplicate "Open quick help..." in the minibuffer at startup (thanks to
     Sylvain Benner)
   - Fixed overflow of line in page-break-lines-mode when using line number
diff --git a/core/core-configuration-layer.el b/core/core-configuration-layer.el
index 43c81e923..740b700cf 100644
--- a/core/core-configuration-layer.el
+++ b/core/core-configuration-layer.el
@@ -2421,10 +2421,7 @@ depends on it."
   (let ((layer-name
          (intern (completing-read
                   "Choose a used layer"
-                  (sort configuration-layer--used-layers
-                        (lambda (x y)
-                          (string< (oref (cdr x) :name)
-                                   (oref (cdr y) :name))))))))
+                  (sort (copy-list configuration-layer--used-layers) #'string<)))))
     (let ((mode-exts (configuration-layer//lazy-install-extensions-for-layer
                       layer-name)))
       (dolist (x mode-exts)