diff --git a/charts/uplink/tests/custom_values_test.yaml b/charts/uplink/tests/custom_values_test.yaml
index 4d13316fe..4c716eff6 100644
--- a/charts/uplink/tests/custom_values_test.yaml
+++ b/charts/uplink/tests/custom_values_test.yaml
@@ -30,18 +30,34 @@ tests:
       - equal:
           path: data['sentry.dsn']
           value: "ZXhhbXBsZS1kc24="  # Base64 encoded value of "example-dsn"
+  - it: should create a PDB with defaults when multiple replicas are set
+    template: pdb.yaml
+    set:
+      replicaCount: 2
+    asserts:
+      - isKind:
+          of: PodDisruptionBudget
+      - equal:
+          path: spec.minAvailable
+          value: 1
+      - equal:
+          path: spec.selector.matchLabels['app.kubernetes.io/name']
+          value: "uplink"
   - it: should ensure the pdb has correct spec
     template: pdb.yaml
     set:
       replicaCount: 2
       poddisruptionbudget.minAvailable: 2
-      poddisruptionbudget.maxUnavailable: 1
+      poddisruptionbudget.maxUnavailable: 3
     asserts:
       - isKind:
           of: PodDisruptionBudget
       - equal:
           path: spec.minAvailable
           value: 2
+      - equal:
+          path: spec.maxUnavailable
+          value: 3
       - equal:
           path: spec.selector.matchLabels['app.kubernetes.io/name']
           value: "uplink"
diff --git a/charts/uplink/values.yaml b/charts/uplink/values.yaml
index b941bbd12..fd4f6b78a 100644
--- a/charts/uplink/values.yaml
+++ b/charts/uplink/values.yaml
@@ -60,3 +60,5 @@ client:
   secret: ""
 sentry:
   dsn: ""
+poddisruptionbudget:
+  minAvailable: 1