diff --git a/src/util/00-mesa-defaults.conf b/src/util/00-mesa-defaults.conf
index 74d48c49199..1d44381b697 100644
--- a/src/util/00-mesa-defaults.conf
+++ b/src/util/00-mesa-defaults.conf
@@ -891,6 +891,9 @@ TODO: document the other workarounds.
             <option name="force_gl_vendor" value="ATI Technologies Inc." />
             <option name="radeonsi_force_use_fma32" value="true" />
         </application>
+        <application name="Black Geyser: Couriers of Darkness" executable="BlackGeyser.x86_64">
+            <option name="radeonsi_zerovram" value="true" />
+        </application>
     </device>
     <device driver="i965">
         <application name="Middle Earth: Shadow of Mordor" executable="ShadowOfMordor">