diff --git a/pkgs/development/tools/build-managers/cmake/setup-hook.sh b/pkgs/development/tools/build-managers/cmake/setup-hook.sh
index a92d54b3f144..a0f1cf00814c 100755
--- a/pkgs/development/tools/build-managers/cmake/setup-hook.sh
+++ b/pkgs/development/tools/build-managers/cmake/setup-hook.sh
@@ -43,7 +43,7 @@ cmakeConfigurePhase() {
     # libraries are in a system path or in the same directory as the
     # executable. This flag makes the shared library accessible from its
     # nix/store directory.
-    cmakeFlags="-DCMAKE_INSTALL_NAME_DIR=$prefix/lib $cmakeFlags"
+    cmakeFlags="-DCMAKE_INSTALL_NAME_DIR=${!outputLib}/lib $cmakeFlags"
     cmakeFlags="-DCMAKE_INSTALL_LIBDIR=${!outputLib}/lib $cmakeFlags"
     cmakeFlags="-DCMAKE_INSTALL_INCLUDEDIR=${!outputDev}/include $cmakeFlags"
 
diff --git a/pkgs/tools/compression/brotli/default.nix b/pkgs/tools/compression/brotli/default.nix
index f4fbb3685354..9a35013e3814 100644
--- a/pkgs/tools/compression/brotli/default.nix
+++ b/pkgs/tools/compression/brotli/default.nix
@@ -21,10 +21,6 @@ stdenv.mkDerivation rec {
   # and the wonderful bazel BUILD file is already there (yay case-insensitivity?)
   prePatch = "rm BUILD";
 
-  preConfigure = stdenv.lib.optionalString stdenv.isDarwin ''
-    cmakeFlagsArray+=("-DCMAKE_INSTALL_NAME_DIR=$lib/lib")
-  '';
-
   meta = with stdenv.lib; {
     inherit (src.meta) homepage;