diff --git a/pkgs/build-support/alternatives/blas/default.nix b/pkgs/build-support/alternatives/blas/default.nix
index 1b878343866..b1dadf23c07 100644
--- a/pkgs/build-support/alternatives/blas/default.nix
+++ b/pkgs/build-support/alternatives/blas/default.nix
@@ -59,7 +59,7 @@ stdenv.mkDerivation {
   unpackPhase = "src=$PWD";
 
   installPhase = (''
-  mkdir -p $out/lib $dev/include $dev/include/pkgconfig
+  mkdir -p $out/lib $dev/include $dev/lib/pkgconfig
 
   libblas="${lib.getLib blasProvider}/lib/libblas${stdenv.hostPlatform.extensions.sharedLibrary}"