diff --git a/packages/nocodb/src/lib/meta/api/tableApis.ts b/packages/nocodb/src/lib/meta/api/tableApis.ts
index dc9abe73c6..0fbda374e1 100644
--- a/packages/nocodb/src/lib/meta/api/tableApis.ts
+++ b/packages/nocodb/src/lib/meta/api/tableApis.ts
@@ -103,6 +103,9 @@ export async function tableCreate(req: Request<any, any, TableReqType>, res) {
     }
   }
 
+  // Cleanup table name
+  req.body.table_name = req.body.table_name.toLowerCase().replace(/ /g, '_');
+
   // validate table name
   if (/^\s+|\s+$/.test(req.body.table_name)) {
     NcError.badRequest(