diff --git a/x-pack/plugins/ingest_manager/server/index.ts b/x-pack/plugins/ingest_manager/server/index.ts
index e13c023d0d11a..a8b986be048ae 100644
--- a/x-pack/plugins/ingest_manager/server/index.ts
+++ b/x-pack/plugins/ingest_manager/server/index.ts
@@ -30,8 +30,8 @@ export const config: PluginConfigDescriptor = {
   ],
   schema: schema.object({
     enabled: schema.boolean({ defaultValue: true }),
-    registryUrl: schema.maybe(schema.uri()),
-    registryProxyUrl: schema.maybe(schema.uri()),
+    registryUrl: schema.maybe(schema.uri({ scheme: ['http', 'https'] })),
+    registryProxyUrl: schema.maybe(schema.uri({ scheme: ['http', 'https'] })),
     agents: schema.object({
       enabled: schema.boolean({ defaultValue: true }),
       tlsCheckDisabled: schema.boolean({ defaultValue: false }),