diff --git a/ethcore/src/externalities.rs b/ethcore/src/externalities.rs
index a46897af3..92b82b506 100644
--- a/ethcore/src/externalities.rs
+++ b/ethcore/src/externalities.rs
@@ -234,6 +234,7 @@ impl<'a, T: 'a, V: 'a, B: 'a, E: 'a> Ext for Externalities<'a, T, V, B, E>
 			Ok(FinalizationResult{ gas_left, apply_state: false, return_data }) => {
 				ContractCreateResult::Reverted(gas_left, return_data)
 			},
+			_ => ContractCreateResult::Failed,
 		}
 	}