diff --git a/ethers-core/src/utils/anvil.rs b/ethers-core/src/utils/anvil.rs
index c58230d37e..32b5b493e8 100644
--- a/ethers-core/src/utils/anvil.rs
+++ b/ethers-core/src/utils/anvil.rs
@@ -272,7 +272,7 @@ impl Anvil {
             }
 
             if is_private_key && line.starts_with('(') {
-                let key_str = &line[6..line.len() - 1];
+                let key_str = line.split("0x").last().unwrap_or_else(|| panic!("could not parse private key: {}", line)).trim();
                 let key_hex = hex::decode(key_str).expect("could not parse as hex");
                 let key = K256SecretKey::from_bytes(&GenericArray::clone_from_slice(&key_hex))
                     .expect("did not get private key");
@@ -293,4 +293,9 @@ mod tests {
     fn can_launch_anvil() {
         let _ = Anvil::new().spawn();
     }
+
+    #[test]
+    fn can_launch_anvil_with_more_accounts() {
+        let _ = Anvil::new().arg("--accounts").arg("20").spawn();
+    }
 }