diff --git a/doc/manual/generate-manpage.nix b/doc/manual/generate-manpage.nix
index 02d289eb1..86f2ca567 100644
--- a/doc/manual/generate-manpage.nix
+++ b/doc/manual/generate-manpage.nix
@@ -137,7 +137,7 @@ let
 
           **Settings**:
 
-          ${showSettings false settings}
+          ${showSettings { useAnchors = false; } settings}
         '';
     in concatStrings (attrValues (mapAttrs showStore cliDump.stores));
 
diff --git a/doc/manual/local.mk b/doc/manual/local.mk
index 8bf89b408..82c9a87a7 100644
--- a/doc/manual/local.mk
+++ b/doc/manual/local.mk
@@ -66,7 +66,7 @@ $(d)/src/command-ref/new-cli: $(d)/nix.json $(d)/generate-manpage.nix $(bindir)/
 
 $(d)/src/command-ref/conf-file.md: $(d)/conf-file.json $(d)/utils.nix $(d)/src/command-ref/conf-file-prefix.md $(bindir)/nix
 	@cat doc/manual/src/command-ref/conf-file-prefix.md > $@.tmp
-	$(trace-gen) $(nix-eval) --expr '(import doc/manual/utils.nix).showSettings true (builtins.fromJSON (builtins.readFile $<))' >> $@.tmp;
+	$(trace-gen) $(nix-eval) --expr '(import doc/manual/utils.nix).showSettings { useAnchors = true; } (builtins.fromJSON (builtins.readFile $<))' >> $@.tmp;
 	@mv $@.tmp $@
 
 $(d)/nix.json: $(bindir)/nix
diff --git a/doc/manual/utils.nix b/doc/manual/utils.nix
index a0e5cf1d1..c0f2e956c 100644
--- a/doc/manual/utils.nix
+++ b/doc/manual/utils.nix
@@ -39,7 +39,7 @@ rec {
   filterAttrs = pred: set:
     listToAttrs (concatMap (name: let v = set.${name}; in if pred name v then [(nameValuePair name v)] else []) (attrNames set));
 
-  showSetting = useAnchors: name: { description, documentDefault, defaultValue, aliases, ... }:
+  showSetting = { useAnchors }: name: { description, documentDefault, defaultValue, aliases, ... }:
     let
       result = squash ''
           - ${if useAnchors
@@ -79,5 +79,5 @@ rec {
 
     in result;
 
-  showSettings = useAnchors: settingsInfo: concatStrings (attrValues (mapAttrs (showSetting useAnchors) settingsInfo));
+  showSettings = args: settingsInfo: concatStrings (attrValues (mapAttrs (showSetting args) settingsInfo));
 }