diff --git a/1.5/Patches/Milira_Patch_lantu.xml b/1.5/Patches/Milira_Patch_lantu.xml
index ddfb001..67d6352 100644
--- a/1.5/Patches/Milira_Patch_lantu.xml
+++ b/1.5/Patches/Milira_Patch_lantu.xml
@@ -55,6 +55,15 @@
                     <techprintMarketValue>9999999</techprintMarketValue>
                 </value>
             </li>
+
+            <li Class="PatchOperationAdd">
+                <xpath>Defs/ResearchProjectDef[defName="Milira_SunBlastFurnace_Use"]</xpath>
+                <value>
+                    <techprintCount>1</techprintCount>
+                    <techprintCommonality>1</techprintCommonality>
+                    <techprintMarketValue>9999999</techprintMarketValue>
+                </value>
+            </li>
         </operations>
     </Operation>
 </Patch>
\ No newline at end of file