diff --git a/src/index/entry.rs b/src/index/entry.rs
index 7b001cb6a0..330c2541cf 100644
--- a/src/index/entry.rs
+++ b/src/index/entry.rs
@@ -93,9 +93,8 @@ impl RuneEntry {
   }
 
   pub fn max_supply(&self) -> u128 {
-    let cap = self.terms.map_or(0, |terms| terms.cap.unwrap_or_default());
     self.premine
-      + cap
+      + self.terms.and_then(|terms| terms.cap).unwrap_or_default()
         * self
           .terms
           .and_then(|terms| terms.amount)