diff --git a/sea-orm-cli/src/commands/migrate.rs b/sea-orm-cli/src/commands/migrate.rs
index 442c1580..d7eedcf5 100644
--- a/sea-orm-cli/src/commands/migrate.rs
+++ b/sea-orm-cli/src/commands/migrate.rs
@@ -147,6 +147,8 @@ pub fn run_migrate_generate(
     } else {
         Local::now().format(FMT)
     };
+
+    let migration_name = migration_name.trim().replace(' ', "_");
     let migration_name = format!("m{formatted_now}_{migration_name}");
 
     create_new_migration(&migration_name, migration_dir)?;