diff --git a/tests/multi_sig.rs b/tests/multi_sig.rs
index a6f0b51..2899e67 100644
--- a/tests/multi_sig.rs
+++ b/tests/multi_sig.rs
@@ -99,7 +99,7 @@ fn test_proof_multisig(
         let balance = wallet.get_balance().unwrap();
         assert!(
             (49_999_999_256..=49_999_999_596).contains(&balance.confirmed),
-            "balance of wallet {} is {} but should be between 49'999'999'256 and 49'999'999'596",
+            "balance of wallet {} is {} but should be between 49_999_999_256 and 49_999_999_596",
             i,
             balance
         );