diff --git a/src/modelDescription.in.xml b/src/modelDescription.in.xml
index 34c85cd..0e52813 100644
--- a/src/modelDescription.in.xml
+++ b/src/modelDescription.in.xml
@@ -87,7 +87,10 @@
   </ModelVariables>
   <ModelStructure>
     <Outputs>
-      <Unknown index="7"/>
+      <Unknown index="3"/>
+      <Unknown index="4"/>
+      <Unknown index="5"/>
+      <Unknown index="6"/>
     </Outputs>
   </ModelStructure>
 </fmiModelDescription>