diff --git a/src/panfrost/genxml/v12.xml b/src/panfrost/genxml/v12.xml
index 650f6a97a17..aea309c51dc 100644
--- a/src/panfrost/genxml/v12.xml
+++ b/src/panfrost/genxml/v12.xml
@@ -1193,6 +1193,9 @@
     <field name="Size" size="32" start="1:0" type="uint"/>
     <field name="Address" size="64" start="2:0" type="address"/>
 
+    <!-- Not for Tiler heap -->
+    <field name="Size hi" size="32" start="5:0" type="uint"/>
+
     <!-- Structured buffer only -->
     <field name="Stride" size="32" start="4:0" type="uint"/>
 
diff --git a/src/panfrost/genxml/v13.xml b/src/panfrost/genxml/v13.xml
index ddcde10aadd..1969aefdab9 100644
--- a/src/panfrost/genxml/v13.xml
+++ b/src/panfrost/genxml/v13.xml
@@ -1502,6 +1502,9 @@
     <field name="Size" size="32" start="1:0" type="uint"/>
     <field name="Address" size="64" start="2:0" type="address"/>
 
+    <!-- Not for Tiler heap -->
+    <field name="Size hi" size="32" start="5:0" type="uint"/>
+
     <!-- Structured buffer only -->
     <field name="Stride" size="32" start="4:0" type="uint"/>