diff --git a/hosts/gunter/configuration.nix b/hosts/gunter/configuration.nix
index 02806e2..e46fe41 100644
--- a/hosts/gunter/configuration.nix
+++ b/hosts/gunter/configuration.nix
@@ -40,6 +40,10 @@
       "module_blacklist=amdgpu"
     ];
 
+    kernel.sysctl = {
+      "vm.max_map_count" = 262144;
+    };
+
     extraModprobeConfig = ''
       options v4l2loopback exclusive_caps=1 card_label="Virtual Camera"
     '';