diff --git a/pkgs/development/compilers/llvm/clang.nix b/pkgs/development/compilers/llvm/clang.nix
index 4d8bb3fe834..3319744ab48 100644
--- a/pkgs/development/compilers/llvm/clang.nix
+++ b/pkgs/development/compilers/llvm/clang.nix
@@ -17,7 +17,7 @@ stdenv.mkDerivation {
       lib/Driver/ToolChains.cpp
   '';
 
-  cmakeFlags = [ "-DCLANG_PATH_TO_LLVM_BUILD=${llvm}" "-DCMAKE_BUILD_TYPE=Release" ];
+  cmakeFlags = [ "-DCLANG_PATH_TO_LLVM_BUILD=${llvm}" "-DCMAKE_BUILD_TYPE=Release" "-DLLVM_TARGETS_TO_BUILD=all"];
 
   enableParallelBuilding = true;