diff --git a/pkgs/tools/admin/google-cloud-sdk/default.nix b/pkgs/tools/admin/google-cloud-sdk/default.nix
index 3622b981cc4..ee62b1b84f1 100644
--- a/pkgs/tools/admin/google-cloud-sdk/default.nix
+++ b/pkgs/tools/admin/google-cloud-sdk/default.nix
@@ -5,19 +5,20 @@ let
   pythonInputs = [ cffi cryptography pyopenssl crcmod google-compute-engine ];
   pythonPath = lib.makeSearchPath python.sitePackages pythonInputs;
 
+  baseUrl = "https://dl.google.com/dl/cloudsdk/channels/rapid/downloads";
   sources = name: system: {
     i686-linux = {
-      url = "https://dl.google.com/dl/cloudsdk/channels/rapid/downloads/${name}-linux-x86.tar.gz";
+      url = "${baseUrl}/${name}-linux-x86.tar.gz";
       sha256 = "0aq938s1w9mzj60avmcc68kgll54pl7635vl2mi89f6r56n0xslp";
     };
 
     x86_64-darwin = {
-      url = "https://dl.google.com/dl/cloudsdk/channels/rapid/downloads/${name}-darwin-x86_64.tar.gz";
+      url = "${baseUrl}/${name}-darwin-x86_64.tar.gz";
       sha256 = "13k2i1svry9q800s1jgf8jss0rzfxwk6qci3hsy1wrb9b2mwlz5g";
     };
 
     x86_64-linux = {
-      url = "https://dl.google.com/dl/cloudsdk/channels/rapid/downloads/${name}-linux-x86_64.tar.gz";
+      url = "${baseUrl}/${name}-linux-x86_64.tar.gz";
       sha256 = "1kvaz8p1iflsi85wwi7lb6km6frj70xsricyz1ah0sw3q71zyqmc";
     };
   }.${system};