diff --git a/backend/src/entities/connection-properties/utils/validate-create-connection-properties-ds.ts b/backend/src/entities/connection-properties/utils/validate-create-connection-properties-ds.ts
index 4705997e6..74ec54000 100644
--- a/backend/src/entities/connection-properties/utils/validate-create-connection-properties-ds.ts
+++ b/backend/src/entities/connection-properties/utils/validate-create-connection-properties-ds.ts
@@ -23,6 +23,9 @@ export async function validateCreateConnectionPropertiesDs(
         errors.push(Messages.TABLE_WITH_NAME_NOT_EXISTS(hiddenTable));
       }
     }
+    if (hidden_tables.includes(default_showing_table)) {
+      errors.push(Messages.CANT_SHOW_TABLE_AND_EXCLUDE(default_showing_table));
+    }
   }
 
   if (default_showing_table && !tablesInConnection.includes(default_showing_table)) {
diff --git a/backend/src/exceptions/text/messages.ts b/backend/src/exceptions/text/messages.ts
index 0b5a097fc..9abe8a1b8 100644
--- a/backend/src/exceptions/text/messages.ts
+++ b/backend/src/exceptions/text/messages.ts
@@ -51,6 +51,8 @@ export const Messages = {
     'It seems like the value you entered for the unique field already exists in database. Please check your input and try again with a different value',
   CANT_LIST_AND_EXCLUDE: (fieldName: string) =>
     `You cannot select the same field ${fieldName ? fieldName : 'names'} to list and exclude`,
+  CANT_SHOW_TABLE_AND_EXCLUDE: (tableName: string) =>
+    `You cannot select the same table "${tableName}" to show by default and exclude`,
   CANT_VIEW_AND_EXCLUDE: (fieldName: string) =>
     `You cannot select the same field ${fieldName ? fieldName : 'names'} to view and exclude`,
   CANT_ORDER_AND_EXCLUDE: `You cannot select the same field names to order and exclude`,