diff --git a/charts/ingress-nginx/tests/controller-poddisruptionbudget_test.yaml b/charts/ingress-nginx/tests/controller-poddisruptionbudget_test.yaml
index 48b4fafcc5..f215f35207 100644
--- a/charts/ingress-nginx/tests/controller-poddisruptionbudget_test.yaml
+++ b/charts/ingress-nginx/tests/controller-poddisruptionbudget_test.yaml
@@ -71,3 +71,19 @@ tests:
     asserts:
       - hasDocuments:
           count: 0
+
+  - it: should create a PodDisruptionBudget without `minAvailable` and with `maxUnavailable` if `controller.minAvailable` and `controller.maxUnavailable` are set
+    set:
+      controller.replicaCount: 2
+      controller.minAvailable: 1
+      controller.maxUnavailable: 1
+    asserts:
+      - hasDocuments:
+          count: 1
+      - isKind:
+          of: PodDisruptionBudget
+      - notExists:
+          path: spec.minAvailable
+      - equal:
+          path: spec.maxUnavailable
+          value: 1