diff --git a/src/util/00-mesa-defaults.conf b/src/util/00-mesa-defaults.conf
index 81f23c97941..8abc50c9f26 100644
--- a/src/util/00-mesa-defaults.conf
+++ b/src/util/00-mesa-defaults.conf
@@ -229,6 +229,9 @@ TODO: document the other workarounds.
         <application name="Civilization 6" executable="Civ6">
             <option name="mesa_glthread" value="true"/>
         </application>
+        <application name="Civilization 6" executable="Civ6Sub">
+            <option name="mesa_glthread" value="true"/>
+        </application>
 
         <application name="Dreamfall Chapters" executable="Dreamfall Chapters">
             <option name="mesa_glthread" value="true"/>
@@ -429,5 +432,8 @@ TODO: document the other workarounds.
         <application name="Civilization 6" executable="Civ6">
             <option name="radeonsi_enable_nir" value="true"/>
         </application>
+        <application name="Civilization 6" executable="Civ6Sub">
+            <option name="radeonsi_enable_nir" value="true"/>
+        </application>
     </device>
 </driconf>