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-rw-r--r--pkgs/development/ocaml-modules/biniou/1.0.nix2
1 files changed, 1 insertions, 1 deletions
diff --git a/pkgs/development/ocaml-modules/biniou/1.0.nix b/pkgs/development/ocaml-modules/biniou/1.0.nix
index 5a2e2ea9a7fa..ec81e5b8db91 100644
--- a/pkgs/development/ocaml-modules/biniou/1.0.nix
+++ b/pkgs/development/ocaml-modules/biniou/1.0.nix
@@ -26,7 +26,7 @@ stdenv.mkDerivation rec {
   makeFlags = [ "PREFIX=$(out)" ];
 
   preBuild = ''
-    mkdir $out/bin
+    mkdir -p $out/bin
   '';
 
   meta = with lib; {