1 files changed, 1 insertions, 1 deletions

diff --git a/Data/OpenPGP/Util/Sign.hs b/Data/OpenPGP/Util/Sign.hs
index 8663a0d..d96c3a7 100644
--- a/Data/OpenPGP/Util/Sign.hs
+++ b/Data/OpenPGP/Util/Sign.hs
@@ -115,7 +115,7 @@ unsafeSign keys over hsh keyid timestamp g = (over {OpenPGP.signatures_over = [s
         ([
             -- Do we really need to pass in timestamp just for the default?
             OpenPGP.SignatureCreationTimePacket $ fromIntegral timestamp,
-            OpenPGP.IssuerPacket $ fingerprint k
+            OpenPGP.IssuerPacket $ show $ fingerprint k
         ] ++ (case over of
             OpenPGP.KeySignature  {} -> [OpenPGP.KeyFlagsPacket {
                     OpenPGP.certify_keys = True,