diff --git a/dex/applicationset.yaml b/dex/applicationset.yaml
index 53c79d29..4903a7ab 100644
--- a/dex/applicationset.yaml
+++ b/dex/applicationset.yaml
@@ -21,7 +21,7 @@ spec:
       destination:
         server: https://kubernetes.default.svc
         namespace: idp
-      source:
+      sources:
       - repoURL: https://charts.dexidp.io
         targetRevision: 0.16.0
         chart: dex