diff --git a/runner_system.nix b/runner_system.nix
index 1e6881a..bae79cd 100644
--- a/runner_system.nix
+++ b/runner_system.nix
@@ -43,7 +43,7 @@ in
           };
           container = {
             valid_volumes = [
-              "/var/run/**"
+              "unix:///var/run/docker.sock"
             ];
           };
         };