diff --git a/osaca/parser/__init__.py b/osaca/parser/__init__.py
index 4f225cf..b3ad2da 100644
--- a/osaca/parser/__init__.py
+++ b/osaca/parser/__init__.py
@@ -24,7 +24,7 @@ __all__ = [
 ]
 
 
-def get_parser(isa, syntax):
+def get_parser(isa, syntax="ATT"):
     if isa.lower() == "x86":
         return ParserX86ATT() if syntax == "ATT" else ParserX86Intel()
     elif isa.lower() == "aarch64":
diff --git a/osaca/semantics/marker_utils.py b/osaca/semantics/marker_utils.py
index 9e6cc8f..86c59c5 100644
--- a/osaca/semantics/marker_utils.py
+++ b/osaca/semantics/marker_utils.py
@@ -3,6 +3,7 @@ from collections import OrderedDict
 from enum import Enum
 from functools import partial
 
+from osaca.parser import get_parser
 from osaca.parser.instruction_form import InstructionForm
 from osaca.parser.directive import DirectiveOperand
 from osaca.parser.identifier import IdentifierOperand