diff --git a/recipes/SC_VYT_DR540.UXML b/recipes/SC_VYT_DR540.UXML
index 5beb62f..4a47de0 100644
--- a/recipes/SC_VYT_DR540.UXML
+++ b/recipes/SC_VYT_DR540.UXML
@@ -53,7 +53,7 @@
         <Name>AIR_VOLUME</Name>
         <Display>false</Display>
         <Value/>
-        <Real>4500</Real>
+        <Real>4501</Real>
         <EngineeringUnits/>
       </FormulaValue>
       <FormulaValue>