diff --git a/pkgs/by-name/gi/github-runner/package.nix b/pkgs/by-name/gi/github-runner/package.nix
index 0a4359831e57..dbb64c1406c4 100644
--- a/pkgs/by-name/gi/github-runner/package.nix
+++ b/pkgs/by-name/gi/github-runner/package.nix
@@ -157,7 +157,9 @@ buildDotnetModule (finalAttrs: {
 
   doCheck = true;
 
+  # tests fail with sandboxing under darwin
   __darwinAllowLocalNetworking = true;
+  __noChroot = true;
 
   # Fully qualified name of disabled tests
   disabledTests = [