diff --git a/libafl/src/fuzzer/mod.rs b/libafl/src/fuzzer/mod.rs
index 1446c315cc..5ad4e6ad38 100644
--- a/libafl/src/fuzzer/mod.rs
+++ b/libafl/src/fuzzer/mod.rs
@@ -187,7 +187,7 @@ where
         executor: &mut E,
         state: &mut EM::State,
         manager: &mut EM,
-    ) -> Result<CorpusId, Error> {
+    ) -> Result<(), Error> {
         let monitor_timeout = STATS_TIMEOUT_DEFAULT;
         loop {
             manager.maybe_report_progress(state, monitor_timeout)?;