diff --git a/.github/workflows/manual-nixpkgs.yml b/.github/workflows/manual-nixpkgs.yml
index 599840006524c..4f76a0d732c8e 100644
--- a/.github/workflows/manual-nixpkgs.yml
+++ b/.github/workflows/manual-nixpkgs.yml
@@ -8,6 +8,7 @@ on:
       - master
     paths:
       - 'doc/**'
+      - 'lib/**'
 
 jobs:
   nixpkgs:
diff --git a/lib/strings.nix b/lib/strings.nix
index e49ed4382240c..3c3529c3285ee 100644
--- a/lib/strings.nix
+++ b/lib/strings.nix
@@ -4,6 +4,8 @@ let
 
 inherit (builtins) length;
 
+asciiTable = import ./ascii-table.nix;
+
 in
 
 rec {
@@ -34,8 +36,6 @@ rec {
     unsafeDiscardStringContext
     ;
 
-  asciiTable = import ./ascii-table.nix;
-
   /* Concatenate a list of strings.
 
     Type: concatStrings :: [string] -> string