diff --git a/lass/1systems/prism/config.nix b/lass/1systems/prism/config.nix
index 2626ebf33..f50f4fae5 100644
--- a/lass/1systems/prism/config.nix
+++ b/lass/1systems/prism/config.nix
@@ -376,4 +376,8 @@ with import <stockholm/lib>;
   krebs.build.host = config.krebs.hosts.prism;
   # workaround because grub store paths are broken
   boot.copyKernels = true;
+  services.earlyoom = {
+    enable = true;
+    freeMemThreshold = 5;
+  };
 }