diff --git a/pkgs/development/compilers/llvm/9/clang/default.nix b/pkgs/development/compilers/llvm/9/clang/default.nix
index 1cbeb76bb96..12fa33a7f8c 100644
--- a/pkgs/development/compilers/llvm/9/clang/default.nix
+++ b/pkgs/development/compilers/llvm/9/clang/default.nix
@@ -13,7 +13,7 @@ let
 
     unpackPhase = ''
       unpackFile $src
-      mv cfe-${version}* clang
+      mv clang-${version}* clang
       sourceRoot=$PWD/clang
       unpackFile ${clang-tools-extra_src}
       mv clang-tools-extra-* $sourceRoot/tools/extra