diff --git a/src/util/00-mesa-defaults.conf b/src/util/00-mesa-defaults.conf
index 80cf60aa8ad..ebf368a8c63 100644
--- a/src/util/00-mesa-defaults.conf
+++ b/src/util/00-mesa-defaults.conf
@@ -311,6 +311,8 @@ TODO: document the other workarounds.
             <option name="allow_draw_out_of_order" value="true" />
             <option name="mesa_glthread" value="true" />
             <option name="mesa_no_error" value="true" />
+            <!-- Creating 10-bit pbuffers fails in the X server and returns BadAlloc. -->
+            <option name="allow_rgb10_configs" value="false" />
         </application>
 
         <!-- Workaround for unsynchronized VBO updates on Dead Cells android