diff --git a/pallets/certification/src/benchmarking.rs b/pallets/certification/src/benchmarking.rs
index 46b0ce96673c9bf03e612e1812b400101c74ce5e..5aa67fdf40a170cd4d629e99ebdf6abbdb26c9d6 100644
--- a/pallets/certification/src/benchmarking.rs
+++ b/pallets/certification/src/benchmarking.rs
@@ -20,6 +20,7 @@ use super::*;
 
 use frame_benchmarking::benchmarks;
 use frame_system::RawOrigin;
+use sp_runtime::traits::Zero;
 
 #[cfg(test)]
 use maplit::btreemap;