diff --git a/pkgs/development/compilers/llvm/6/llvm.nix b/pkgs/development/compilers/llvm/6/llvm.nix
index 4d981398b9a..f95e19543a1 100644
--- a/pkgs/development/compilers/llvm/6/llvm.nix
+++ b/pkgs/development/compilers/llvm/6/llvm.nix
@@ -130,7 +130,8 @@ in stdenv.mkDerivation (rec {
     ln -s $lib/lib/libLLVM.dylib $lib/lib/libLLVM-${release_version}.dylib
   '';
 
-  doCheck = stdenv.isLinux && (!stdenv.isi686);
+  doCheck = stdenv.isLinux && (!stdenv.isi686)
+            && (stdenv.hostPlatform == stdenv.targetPlatform);
 
   checkTarget = "check-all";