diff --git a/pyflow/script.py b/pyflow/script.py
index 1039608..2d7b522 100644
--- a/pyflow/script.py
+++ b/pyflow/script.py
@@ -215,7 +215,7 @@ def generate_stub(self):
                 + " "
             )
 
-        return [f"python{self.python_version} -u {args}- <<EOS"] + script_body + ["EOS"]
+        return [f"python{self.python_version} -u - {args}<<EOS"] + script_body + ["EOS"]
 
 
 class DelegatingScript(Script):
diff --git a/tests/test_script.py b/tests/test_script.py
index 190ef18..bdb4ba7 100644
--- a/tests/test_script.py
+++ b/tests/test_script.py
@@ -231,7 +231,7 @@ def test_python_script_cmd_args():
 
     checkscript_python3 = textwrap.dedent(
         """
-        python3 -u --key-1=value-1 --key-2=value-2 - <<EOS
+        python3 -u - --key-1=value-1 --key-2=value-2 <<EOS
         import argparse
 
         if __name__ == "__main__":
@@ -249,7 +249,7 @@ def test_python_script_cmd_args():
 
     checkscript_python2 = textwrap.dedent(
         """
-        python2 -u --key-1=value-1 --key-2=value-2 - <<EOS
+        python2 -u - --key-1=value-1 --key-2=value-2 <<EOS
         import argparse
 
         if __name__ == "__main__":