diff --git a/ethcore/src/spec/spec.rs b/ethcore/src/spec/spec.rs
index 5bbf7f7c3..d97aca7ff 100644
--- a/ethcore/src/spec/spec.rs
+++ b/ethcore/src/spec/spec.rs
@@ -467,6 +467,19 @@ mod tests {
 		assert!(Spec::load(::std::env::temp_dir(), &[] as &[u8]).is_err());
 	}
 
+	#[test]
+	fn all_spec_files_valid() {
+		Spec::new_test();
+		Spec::new_null();
+		Spec::new_test_constructor();
+		Spec::new_instant();
+		Spec::new_test_round();
+		Spec::new_test_tendermint();
+		Spec::new_validator_safe_contract();
+		Spec::new_validator_contract();
+		Spec::new_validator_multi();
+	}
+
 	#[test]
 	fn test_chain() {
 		let test_spec = Spec::new_test();