diff --git a/iat-verifier/dev_scripts/generate-sample-iat.py b/iat-verifier/dev_scripts/generate-sample-iat.py
index 29bfa47..84985de 100755
--- a/iat-verifier/dev_scripts/generate-sample-iat.py
+++ b/iat-verifier/dev_scripts/generate-sample-iat.py
@@ -97,5 +97,5 @@
                                            cose_alg=AttestationTokenVerifier.COSE_ALG_ES256,
                                            configuration=None)
     with open(outfile, 'wb') as wfh:
-        convert_map_to_token(token_map, verifier, wfh, add_p_header=False,
+        convert_map_to_token(token_map, verifier, wfh,
             name_as_key=False, parse_raw_value=False)