diff --git a/assets/definitions/compounds.xml b/assets/definitions/compounds.xml
index edf8d4d38db..9dc631f976d 100644
--- a/assets/definitions/compounds.xml
+++ b/assets/definitions/compounds.xml
@@ -2,7 +2,7 @@
 <Compounds>
     <Compound name="atp" weight="1">
         <Display text="ATP">
-            <Model file="atp.mesh" size="0.1" />
+            <Model file="ATP.mesh" size="0.1" />
         </Display>
 	</Compound>
     <Compound name="oxygen" weight="1">