diff --git a/prover/crates/lib/prover_dal/src/fri_witness_generator_dal.rs b/prover/crates/lib/prover_dal/src/fri_witness_generator_dal.rs
index cd96edc21b09..ba2d9fdc6415 100644
--- a/prover/crates/lib/prover_dal/src/fri_witness_generator_dal.rs
+++ b/prover/crates/lib/prover_dal/src/fri_witness_generator_dal.rs
@@ -1237,7 +1237,7 @@ impl FriWitnessGeneratorDal<'_, '_> {
                 updated_at = NOW()
             WHERE
                 {job_id_column} = {job_id}
-                AND status != 'successful
+                AND status != 'successful'
             "#,
         );