diff --git a/pkgs/development/libraries/expat/default.nix b/pkgs/development/libraries/expat/default.nix
index fe30b701ed0c..3bfc215aea7b 100644
--- a/pkgs/development/libraries/expat/default.nix
+++ b/pkgs/development/libraries/expat/default.nix
@@ -27,6 +27,13 @@ stdenv.mkDerivation rec {
     patchShebangs ./configure ./run.sh ./test-driver-wrapper.sh
   '';
 
+  # CMake files incorrectly calculate library path from dev prefix
+  # https://github.com/libexpat/libexpat/issues/501
+  postFixup = ''
+    substituteInPlace $dev/lib/cmake/expat-${version}/expat-noconfig.cmake \
+      --replace "$"'{_IMPORT_PREFIX}' $out
+  '';
+
   meta = with lib; {
     homepage = "https://libexpat.github.io/";
     description = "A stream-oriented XML parser library written in C";
diff --git a/pkgs/development/libraries/opencolorio/default.nix b/pkgs/development/libraries/opencolorio/default.nix
index b93e517def66..522c8cfa4a13 100644
--- a/pkgs/development/libraries/opencolorio/default.nix
+++ b/pkgs/development/libraries/opencolorio/default.nix
@@ -1,5 +1,5 @@
 {
-  stdenv, lib, fetchFromGitHub, symlinkJoin,
+  stdenv, lib, fetchFromGitHub,
   cmake, expat, libyamlcpp, ilmbase, pystring, # Base dependencies
 
   glew, freeglut, # Only required on Linux
@@ -25,8 +25,8 @@ stdenv.mkDerivation rec {
     sha256 = "194j9jp5c8ws0fryiz936wyinphnpzwpqnzvw9ryx6rbiwrba487";
   };
 
-  nativeBuildInputs = [ cmake (symlinkJoin { name = "expat"; paths = [ expat.out expat.dev ]; }) ];
-  buildInputs = [ expat.out libyamlcpp ilmbase pystring ]
+  nativeBuildInputs = [ cmake ];
+  buildInputs = [ expat libyamlcpp ilmbase pystring ]
     ++ lib.optionals stdenv.hostPlatform.isLinux [ glew freeglut ]
     ++ lib.optionals stdenv.hostPlatform.isDarwin [ Carbon GLUT Cocoa ]
     ++ lib.optionals pythonBindings [ python3Packages.python python3Packages.pybind11 ]