diff --git a/pkgs/by-name/br/brscan5/package.nix b/pkgs/by-name/br/brscan5/package.nix
index 688d12caa454..67fc343b3148 100644
--- a/pkgs/by-name/br/brscan5/package.nix
+++ b/pkgs/by-name/br/brscan5/package.nix
@@ -109,7 +109,7 @@ stdenv.mkDerivation rec {
     makeWrapper \
       "$out/$PATH_TO_BRSCAN5/brsaneconfig5" \
       "$out/bin/brsaneconfig5" \
-      --suffix-each NIX_REDIRECT ":" "/etc/opt/brother/scanner/brscan5=$out/opt/brother/scanner/brscan5 /opt/brother/scanner/brscan5=$out/opt/brother/scanner/brscan5" \
+      --suffix-each NIX_REDIRECTS ":" "/etc/opt/brother/scanner/brscan5=$out/opt/brother/scanner/brscan5 /opt/brother/scanner/brscan5=$out/opt/brother/scanner/brscan5" \
       --set LD_PRELOAD ${libredirect}/lib/libredirect.so
 
     mkdir -p $out/etc/sane.d/dll.d