diff --git a/hsms/cmds/hsms.py b/hsms/cmds/hsms.py
index c350131..b42115f 100644
--- a/hsms/cmds/hsms.py
+++ b/hsms/cmds/hsms.py
@@ -29,9 +29,9 @@
 def unsigned_spend_from_blob(blob: bytes) -> UnsignedSpend:
     try:
         uncompressed_blob = zlib.decompress(blob)
-        return UnsignedSpend.from_program_bytes(uncompressed_blob)
+        return UnsignedSpend.from_bytes(uncompressed_blob)
     except Exception:
-        return UnsignedSpend.from_program_bytes(blob)
+        return UnsignedSpend.from_bytes(blob)
 
 
 def create_unsigned_spend_pipeline(