diff --git a/pycardano/backend/blockfrost.py b/pycardano/backend/blockfrost.py
index 5008382b..1d25a6f8 100644
--- a/pycardano/backend/blockfrost.py
+++ b/pycardano/backend/blockfrost.py
@@ -174,7 +174,7 @@ def protocol_param(self) -> ProtocolParameters:
 
     def _get_script(self, script_hash: str) -> ScriptType:
         script_type = self.api.script(script_hash).type
-        if script_type.startswith("plutusV"):
+        if script_type.lower().startswith("plutusv"):
             ps = PlutusScript.from_version(
                 int(script_type[-1]),
                 bytes.fromhex(self.api.script_cbor(script_hash).cbor),