--- a/crates/evm-coder/tests/abi_derive_generation.rs
+++ b/crates/evm-coder/tests/abi_derive_generation.rs
@@ -204,7 +204,7 @@
 		);
 		assert_eq!(
 			<TypeStruct1DerivedDynamicParam as evm_coder::abi::AbiType>::FIELDS_COUNT,
-			2
+			1
 		);
 		assert_eq!(
 			<TypeStruct2DerivedDynamicParam as evm_coder::abi::AbiType>::FIELDS_COUNT,