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-rw-r--r--pkgs/development/tools/analysis/include-what-you-use/default.nix2
1 files changed, 1 insertions, 1 deletions
diff --git a/pkgs/development/tools/analysis/include-what-you-use/default.nix b/pkgs/development/tools/analysis/include-what-you-use/default.nix
index 68e9927522b5..98aade37c2b5 100644
--- a/pkgs/development/tools/analysis/include-what-you-use/default.nix
+++ b/pkgs/development/tools/analysis/include-what-you-use/default.nix
@@ -17,7 +17,7 @@ stdenv.mkDerivation rec {
   nativeBuildInputs = with llvmPackages; [ cmake llvm.dev llvm python3 ];
   buildInputs = with llvmPackages; [ libclang clang-unwrapped python3 ];
 
-  cmakeFlags = [ "-DIWYU_LLVM_ROOT_PATH=${llvmPackages.clang-unwrapped}" ];
+  cmakeFlags = [ "-DCMAKE_PREFIX_PATH=${llvmPackages.llvm.dev}" ];
 
   postInstall = ''
     substituteInPlace $out/bin/iwyu_tool.py \