diff --git a/prover/crates/bin/proof_fri_compressor/src/compressor.rs b/prover/crates/bin/proof_fri_compressor/src/compressor.rs
index dc5ca939d9b..34a2c965a31 100644
--- a/prover/crates/bin/proof_fri_compressor/src/compressor.rs
+++ b/prover/crates/bin/proof_fri_compressor/src/compressor.rs
@@ -136,7 +136,7 @@ impl JobProcessor for ProofCompressor {
             .get_scheduler_proof_job_id(l1_batch_number)
             .await
         else {
-            return Ok(None);
+            anyhow::bail!("Scheduler proof is missing from database for batch {l1_batch_number}");
         };
         tracing::info!(
             "Started proof compression for L1 batch: {:?}",