diff --git a/src/util/00-radv-defaults.conf b/src/util/00-radv-defaults.conf
index b451e214976..242dd5ea9b4 100644
--- a/src/util/00-radv-defaults.conf
+++ b/src/util/00-radv-defaults.conf
@@ -202,5 +202,9 @@ Application bugs worked around in this file:
         <application name="Crystal Project" executable="Crystal Project.bin.x86_64">
             <option name="radv_zero_vram" value="true" />
         </application>
+
+        <application name="Half-Life Alyx" application_name_match="hlvr">
+            <option name="dual_color_blend_by_location" value="true" />
+        </application>
     </device>
 </driconf>