diff --git a/src/build.rs b/src/build.rs
index 65846b0..e19f30d 100644
--- a/src/build.rs
+++ b/src/build.rs
@@ -105,7 +105,7 @@ pub fn build(
 
 	if !skip_optimization {
 		let preserved_exports = match target_runtime {
-			TargetRuntime::PWasm(_) => vec![target_runtime.symbols().call],
+			TargetRuntime::PWasm(_) => vec![target_runtime.symbols().create],
 			TargetRuntime::Substrate(_) => vec![target_runtime.symbols().call, target_runtime.symbols().create],
 		};
 		optimize(&mut ctor_module, preserved_exports)?;