diff --git a/src/asahi/genxml/cmdbuf.xml b/src/asahi/genxml/cmdbuf.xml
index aa3d35cbaab..8b360fa4e8d 100644
--- a/src/asahi/genxml/cmdbuf.xml
+++ b/src/asahi/genxml/cmdbuf.xml
@@ -709,12 +709,12 @@
   <struct name="USC Fragment Properties" size="4">
     <field name="Tag" size="8" start="0" type="USC Control" exact="Fragment properties"/>
     <field name="Early-z testing" size="1" start="8" type="bool"/>
-    <field name="Unk 2" size="1" start="9" type="bool" default="true"/>
+    <field name="Unk 2" size="1" start="9" type="bool"/>
     <field name="Unconditional discard 1" size="1" start="10" type="bool"/>
     <field name="Unconditional discard 2" size="1" start="11" type="bool"/>
-    <field name="Unk 3" size="4" start="12" type="hex" default="0xf"/>
+    <field name="Unk 3" size="4" start="12" type="hex"/>
     <field name="Unk 4" size="8" start="16" type="hex"/> <!-- TODO: determine relation, see docs/table.py -->
-    <field name="Unk 5" size="8" start="24" type="hex" default="0x01"/>
+    <field name="Unk 5" size="8" start="24" type="hex"/>
   </struct>
   <!-- USC commands end -->
 
diff --git a/src/asahi/lib/agx_linker.c b/src/asahi/lib/agx_linker.c
index e6ccb579823..32f097d809e 100644
--- a/src/asahi/lib/agx_linker.c
+++ b/src/asahi/lib/agx_linker.c
@@ -199,6 +199,8 @@ agx_fast_link(struct agx_linked_shader *linked, struct agx_device *dev,
    if (fragment) {
       agx_pack(&linked->fragment_props, USC_FRAGMENT_PROPERTIES, cfg) {
          cfg.early_z_testing = !writes_sample_mask;
+         cfg.unk_2 = true;
+         cfg.unk_3 = 0xf;
          cfg.unk_4 = 0x2;
          cfg.unk_5 = 0x0;
       }