diff --git a/dell/xps/15-9500/default.nix b/dell/xps/15-9500/default.nix
index c7beda4..7d346a2 100644
--- a/dell/xps/15-9500/default.nix
+++ b/dell/xps/15-9500/default.nix
@@ -18,4 +18,11 @@ in
   # Thermald doesn't have a default config for the 9500 yet, the one in this repo
   # was generated with dptfxtract-static (https://github.com/intel/dptfxtract)
   services.thermald.configFile = lib.mkDefault thermald-conf;
+  
+  # WiFi speed is slow and crashes by default (https://bugzilla.kernel.org/show_bug.cgi?id=213381)
+  # disable_11ax - required until ax driver support is fixed
+  # power_save - works well on this card
+  boot.extraModprobeConfig = ''
+    options iwlwifi power_save=1 disable_11ax=1
+  '';
 }