diff --git a/leader/src/prover.rs b/leader/src/prover.rs
index a99b8e6..da841c9 100644
--- a/leader/src/prover.rs
+++ b/leader/src/prover.rs
@@ -38,7 +38,7 @@ impl ProverInput {
 
             Ok(block_proof.0)
         } else {
-            bail!("AggProof is is not GeneratedAggProof")
+            bail!("AggProof is not GeneratedAggProof")
         }
     }
 }