diff --git a/scripts/imgtool/main.py b/scripts/imgtool/main.py
index 009d9234c..e0f70945c 100755
--- a/scripts/imgtool/main.py
+++ b/scripts/imgtool/main.py
@@ -552,7 +552,7 @@ def sign(key, public_key_format, align, version, pad_sig, header_size,
             compressed_img.create(key, public_key_format, enckey,
                dependencies, boot_record, custom_tlvs, compression_tlvs,
                compression, int(encrypt_keylen), clear, baked_signature,
-               pub_key, vector_to_sign)
+               pub_key, vector_to_sign, user_sha=user_sha)
             img = compressed_img
     img.save(outfile, hex_addr)
     if sig_out is not None: