diff --git a/core/modules/dblog/config/schema/dblog.schema.yml b/core/modules/dblog/config/schema/dblog.schema.yml
new file mode 100644
index 0000000..dfb6422
--- /dev/null
+++ b/core/modules/dblog/config/schema/dblog.schema.yml
@@ -0,0 +1,9 @@
+# Schema for the configuration files of the dblog module.
+
+dblog.settings:
+  type: mapping
+  label: 'Database logging settings'
+  mapping:
+    row_limit:
+      type: integer
+      label: 'Database log messages to keep'