diff --git a/pkgs/development/compilers/go/1.11.nix b/pkgs/development/compilers/go/1.11.nix
index 59716fbcdb69..7ae372140963 100644
--- a/pkgs/development/compilers/go/1.11.nix
+++ b/pkgs/development/compilers/go/1.11.nix
@@ -131,13 +131,16 @@ stdenv.mkDerivation rec {
     substituteInPlace "src/cmd/link/internal/ld/lib.go" --replace dsymutil ${llvm}/bin/llvm-dsymutil
   '';
 
-  GOOS = if stdenv.isDarwin then "darwin" else "linux";
-  GOARCH = if stdenv.isDarwin then "amd64"
-           else if stdenv.hostPlatform.isi686 then "386"
-           else if stdenv.hostPlatform.isx86_64 then "amd64"
-           else if stdenv.hostPlatform.isAarch32 then "arm"
-           else if stdenv.hostPlatform.isAarch64 then "arm64"
-           else throw "Unsupported system";
+  GOOS = stdenv.hostPlatform.parsed.kernel.name;
+  GOARCH = {
+    "i686" = "386";
+    "x86_64" = "amd64";
+    "aarch64" = "arm64";
+    "arm" = "arm";
+    "armv5tel" = "arm";
+    "armv6l" = "arm";
+    "armv7l" = "arm";
+  }.${stdenv.hostPlatform.parsed.cpu.name} or (throw "Unsupported system");
   GOARM = toString (stdenv.lib.intersectLists [(stdenv.hostPlatform.parsed.cpu.version or "")] ["5" "6" "7"]);
   GO386 = 387; # from Arch: don't assume sse2 on i686
   CGO_ENABLED = 1;