diff --git a/etherlink/kernel_evm/evm_evaluation/src/main.rs b/etherlink/kernel_evm/evm_evaluation/src/main.rs
index f35bc03eb2fd05311a7696cf3fdccb562adc39c8..fb92a2ab04d4f397fa5cdd272a8dcdb8d1ed3eab 100644
--- a/etherlink/kernel_evm/evm_evaluation/src/main.rs
+++ b/etherlink/kernel_evm/evm_evaluation/src/main.rs
@@ -315,9 +315,11 @@ pub fn main() {
         (_, _, true) => "evm_evaluation.diff",
         _ => "evm_evaluation.regression",
     };
+
     let mut output_file = OpenOptions::new()
         .write(true)
         .append(!(opt.from_scratch || opt.result || diff))
+        .truncate(opt.from_scratch || opt.result || diff)
         .create(true)
         .open(output_name)
         .unwrap();