diff --git a/pkgs/development/tools/analysis/oclgrind/default.nix b/pkgs/development/tools/analysis/oclgrind/default.nix
index c28c8b0ead1a..74f856e23de0 100644
--- a/pkgs/development/tools/analysis/oclgrind/default.nix
+++ b/pkgs/development/tools/analysis/oclgrind/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchFromGitHub, cmake, llvmPackages, readline, python3 }:
+{ lib, stdenv, fetchFromGitHub, cmake, llvmPackages_12, readline, python3 }:
 
 stdenv.mkDerivation rec {
   pname = "oclgrind";
@@ -13,10 +13,10 @@ stdenv.mkDerivation rec {
 
   nativeBuildInputs = [ cmake ];
   nativeCheckInputs = [ python3 ];
-  buildInputs = [ llvmPackages.llvm llvmPackages.clang-unwrapped readline ];
+  buildInputs = [ llvmPackages_12.llvm llvmPackages_12.clang-unwrapped readline ];
 
   cmakeFlags = [
-    "-DCLANG_ROOT=${llvmPackages.clang-unwrapped}"
+    "-DCLANG_ROOT=${llvmPackages_12.clang-unwrapped}"
   ];
 
   meta = with lib; {