diff --git a/source/_integrations/sql.markdown b/source/_integrations/sql.markdown
index 0da077cca3a..54aca6e6fcf 100644
--- a/source/_integrations/sql.markdown
+++ b/source/_integrations/sql.markdown
@@ -136,7 +136,7 @@ Use `db_size` as column for value.
 Change `table_schema="homeassistant"` to the name that you use as the database name, to ensure that your sensor will work properly.
 
 ```sql
-SELECT table_schema "database", Round(Sum(data_length + index_length) / 1024, 1) "value" FROM information_schema.tables WHERE table_schema="homeassistant" GROUP BY table_schema;
+SELECT table_schema "database", Round(Sum(data_length + index_length) / POWER(1024,2), 1) "value" FROM information_schema.tables WHERE table_schema="homeassistant" GROUP BY table_schema;
 ```
 Use `value` as column for value.