diff --git a/runtime/test-runtime/src/lib.rs b/runtime/test-runtime/src/lib.rs
index 9e2f2a66455b..31243f13f2f4 100644
--- a/runtime/test-runtime/src/lib.rs
+++ b/runtime/test-runtime/src/lib.rs
@@ -815,6 +815,10 @@ sp_api::impl_runtime_apis! {
 			runtime_impl::validators::<Runtime>()
 		}
 
+		fn minimum_backing_votes() -> u32 {
+			parachains_runtime_api_impl::minimum_backing_votes::<Runtime>()
+		}
+
 		fn validator_groups() -> (Vec<Vec<ValidatorIndex>>, GroupRotationInfo<BlockNumber>) {
 			runtime_impl::validator_groups::<Runtime>()
 		}