diff --git a/wotb/lib.rs b/wotb/lib.rs
index af8876a21a642154f77e35aaf27592ee05b28df3..1a6fed792e1465fd3cb9491b7730cea7b86827ca 100644
--- a/wotb/lib.rs
+++ b/wotb/lib.rs
@@ -826,7 +826,7 @@ mod tests {
                 reached: 52,
                 reached_at_border: 3,
                 outdistanced: false,
-            })
+            },)
         );
     }
 }
diff --git a/wotb/rusty.rs b/wotb/rusty.rs
index 3bac94f5c41561a31ba9c88ddc54309e8f9569c7..9429690ccba6a7312b76dbb24ecb78c2c03f9cd5 100644
--- a/wotb/rusty.rs
+++ b/wotb/rusty.rs
@@ -290,8 +290,8 @@ impl WebOfTrust for RustyWebOfTrust {
         let success_at_border = border.iter().filter(|n| sentries.contains(n)).count() as u32;
         let mut sentries = sentries.len() as u32;
         if self.is_sentry(node, sentry_requirement as usize).unwrap() {
-            sentries = sentries - 1;
-            success = success - 1;
+            sentries -= 1;
+            success -= 1;
         }
 
         Some(WotDistance {