diff --git a/fuzz/fuzz.rs b/fuzz/fuzz.rs
index 8fadc86..ca87a47 100644
--- a/fuzz/fuzz.rs
+++ b/fuzz/fuzz.rs
@@ -21,6 +21,7 @@ pub unsafe extern "C" fn LLVMFuzzerTestOneInput(input: *const u8, len: usize) ->
         let mut proc = Command::new("atom.py")
             .stdin(Stdio::piped())
             .stdout(Stdio::piped())
+            .stderr(Stdio::inherit())
             .spawn()
             .expect("failed to spawn atom.py");