diff --git a/argos/server/migrations/versions/dcf73fa19fce_specify_check_method.py b/argos/server/migrations/versions/dcf73fa19fce_specify_check_method.py
index fdfa97c..39cacbe 100644
--- a/argos/server/migrations/versions/dcf73fa19fce_specify_check_method.py
+++ b/argos/server/migrations/versions/dcf73fa19fce_specify_check_method.py
@@ -5,6 +5,7 @@ Revises: c780864dc407
 Create Date: 2024-11-26 14:40:27.510587
 
 """
+
 from typing import Sequence, Union
 
 from alembic import op
@@ -19,22 +20,25 @@ depends_on: Union[str, Sequence[str], None] = None
 
 
 def upgrade() -> None:
+    enum = sa.Enum(
+        "GET",
+        "HEAD",
+        "POST",
+        "OPTIONS",
+        "CONNECT",
+        "TRACE",
+        "PUT",
+        "PATCH",
+        "DELETE",
+        name="method",
+        create_type=False,
+    )
+    enum.create(op.get_bind(), checkfirst=True)
     with op.batch_alter_table("tasks", schema=None) as batch_op:
         batch_op.add_column(
             sa.Column(
                 "method",
-                sa.Enum(
-                    "GET",
-                    "HEAD",
-                    "POST",
-                    "OPTIONS",
-                    "CONNECT",
-                    "TRACE",
-                    "PUT",
-                    "PATCH",
-                    "DELETE",
-                    name="method",
-                ),
+                enum,
                 nullable=False,
                 server_default="GET",
             )