diff --git a/alembic/env.py b/alembic/env.py
index 3e563e1..694d4dc 100644
--- a/alembic/env.py
+++ b/alembic/env.py
@@ -18,7 +18,7 @@ if not db_url:
         "CARTSNITCH_DATABASE_URL_SYNC must be set. "
         "Example: postgresql://user:pass@localhost:5432/cartsnitch"
     )
-config.set_main_option("sqlalchemy.url", db_url)
+config.set_main_option("sqlalchemy.url", db_url.replace("%", "%%"))
 
 target_metadata = Base.metadata