diff --git a/lemur/migrations/env.py b/lemur/migrations/env.py
index 3acefc3a..91fa5fcb 100644
--- a/lemur/migrations/env.py
+++ b/lemur/migrations/env.py
@@ -20,8 +20,9 @@ fileConfig(config.config_file_name)
 # target_metadata = mymodel.Base.metadata
 from flask import current_app
 
+db_url_escaped = current_app.config.get('SQLALCHEMY_DATABASE_URI').replace('%', '%%')
 config.set_main_option(
-    "sqlalchemy.url", current_app.config.get("SQLALCHEMY_DATABASE_URI")
+    "sqlalchemy.url", db_url_escaped
 )
 target_metadata = current_app.extensions["migrate"].db.metadata