diff --git a/docs/manpages.nix b/docs/manpages.nix
index 17a7f20..ba34349 100644
--- a/docs/manpages.nix
+++ b/docs/manpages.nix
@@ -1,8 +1,8 @@
 { pkgs, asciidoctor, groff, ... }: let
-  generateManpage = name: file: pkgs.runCommandNoCC name {} ''
+  generateManpage = name: file: (pkgs.runCommand or pkgs.runCommandNoCC) name {} ''
     ${asciidoctor}/bin/asciidoctor -b manpage -o $out ${file}
   '';
-  textifyManpage = name: manpage: pkgs.runCommandNoCC name {} ''
+  textifyManpage = name: manpage: (pkgs.runCommand or pkgs.runCommandNoCC) name {} ''
     ${groff}/bin/groff -t -e -mandoc -Tascii ${manpage} > $out
   '';