diff --git a/pkgs/by-name/gx/gx-go/package.nix b/pkgs/by-name/gx/gx-go/package.nix
index a068aff0a96e..1575c4dd6bca 100644
--- a/pkgs/by-name/gx/gx-go/package.nix
+++ b/pkgs/by-name/gx/gx-go/package.nix
@@ -2,11 +2,14 @@
   lib,
   buildGoModule,
   fetchFromGitHub,
+  versionCheckHook,
 }:
 
 buildGoModule {
   pname = "gx-go";
-  version = "unstable-2020-03-03";
+  version = "1.9.0-unstable-2020-03-03";
+
+  __structuredAttrs = true;
 
   src = fetchFromGitHub {
     owner = "whyrusleeping";
@@ -22,6 +25,12 @@ buildGoModule {
     "-w"
   ];
 
+  doInstallCheck = true;
+  nativeInstallCheckInputs = [ versionCheckHook ];
+  preVersionCheck = ''
+    export version="1.9.0"
+  '';
+
   meta = {
     description = "Tool for importing go packages into gx";
     mainProgram = "gx-go";