diff --git a/Cargo.lock b/Cargo.lock
index fd4cc2e5d..600970524 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -678,7 +678,7 @@ dependencies = [
  "ethcore-util 1.9.0",
  "ethcrypto 0.1.0",
  "ethkey 0.2.0",
- "ethsync 1.8.0",
+ "ethsync 1.9.0",
  "futures 0.1.16 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures-cpupool 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "hash 0.1.0",
diff --git a/ethcore/native_contracts/generator/src/lib.rs b/ethcore/native_contracts/generator/src/lib.rs
index be71fc395..5986bded4 100644
--- a/ethcore/native_contracts/generator/src/lib.rs
+++ b/ethcore/native_contracts/generator/src/lib.rs
@@ -134,7 +134,7 @@ pub fn {snake_name}<F, U>(&self, call: F, {params}) -> BoxFuture<{output_type},
 pub fn encode_{snake_name}_input(&self, {params}) -> Result<Vec<u8>, String> {{
 	self.contract.function(r#"{abi_name}"#)
 		.expect("function existence checked at compile-time; qed")
-		.encode_call({to_tokens})
+		.encode_input(&{to_tokens})
 		.map_err(|e| format!("Error encoding call: {{:?}}", e))
 }}
 	"##,