diff --git a/src/gen.rs b/src/gen.rs
index 17b5b987..cb31090b 100644
--- a/src/gen.rs
+++ b/src/gen.rs
@@ -1118,7 +1118,7 @@ pub mod gen {
     #[derive(Clone, Debug, Deserialize, Serialize)]
     #[serde(untagged)]
     pub enum InvokeTxnTraceExecuteInvocation {
-        FunctionInvocation(FunctionInvocation),
+        FunctionInvocation(Box<FunctionInvocation>),
         RevertReason { revert_reason: String },
     }
 
@@ -1761,7 +1761,7 @@ pub mod gen {
     pub enum TransactionTrace {
         InvokeTxnTrace(InvokeTxnTrace),
         DeclareTxnTrace(DeclareTxnTrace),
-        DeployAccountTxnTrace(DeployAccountTxnTrace),
+        DeployAccountTxnTrace(Box<DeployAccountTxnTrace>),
         L1HandlerTxnTrace(L1HandlerTxnTrace),
     }
 
diff --git a/tests/starknet/utils.rs b/tests/starknet/utils.rs
index 3d32a339..828ae9d9 100644
--- a/tests/starknet/utils.rs
+++ b/tests/starknet/utils.rs
@@ -25,7 +25,7 @@ pub fn update_account(path: &str) -> Result<(), Error> {
 
 #[allow(dead_code)]
 pub fn copy_to_target() -> Result<(), Error> {
-    if !fs::metadata("./target/account").is_ok() {
+    if fs::metadata("./target/account").is_err() {
         fs::create_dir("./target/account/")?;
         fs::create_dir("./target/account/src/")?;
         fs::copy(