diff --git a/fuzz/fuzz_targets/fuzz_common.rs b/fuzz/fuzz_targets/fuzz_common.rs
index 86b8e5618..e30e24ddd 100644
--- a/fuzz/fuzz_targets/fuzz_common.rs
+++ b/fuzz/fuzz_targets/fuzz_common.rs
@@ -64,6 +64,7 @@ where
     }
 
     uumain_exit_status = uumain_function(args.to_owned().into_iter());
+    io::stdout().flush().unwrap();
 
     // Restore the original stdout
     unsafe {