diff --git a/src/util/00-mesa-defaults.conf b/src/util/00-mesa-defaults.conf
index 58296dbec64..aff7215af04 100644
--- a/src/util/00-mesa-defaults.conf
+++ b/src/util/00-mesa-defaults.conf
@@ -1158,6 +1158,9 @@ TODO: document the other workarounds.
         <application name="Elden Ring" executable="eldenring.exe">
             <option name="fake_sparse" value="true" />
         </application>
+        <application name="Armored Core 6" executable="armoredcore6.exe">
+            <option name="fake_sparse" value="true" />
+        </application>
         <!-- Needed to avoid XeSS code paths. -->
         <application name="Marvel's Spider-Man Remastered" executable="Spider-Man.exe">
             <option name="force_vk_vendor" value="-1" />