diff --git a/x-pack/legacy/plugins/siem/public/components/ml_popover/api.tsx b/x-pack/legacy/plugins/siem/public/components/ml_popover/api.tsx
index 6f51ff301fe51..085d44b190695 100644
--- a/x-pack/legacy/plugins/siem/public/components/ml_popover/api.tsx
+++ b/x-pack/legacy/plugins/siem/public/components/ml_popover/api.tsx
@@ -63,7 +63,7 @@ export const setupMlJob = async ({
       groups,
       indexPatternName,
       startDatafeed: false,
-      useDedicatedIndex: false,
+      useDedicatedIndex: true,
     }),
     headers: {
       'kbn-system-api': 'true',