diff --git a/src/crd-controller/HostedServices/V1Alpha2Controller.cs b/src/crd-controller/HostedServices/V1Alpha2Controller.cs
index 030c6a4d..e71e0d22 100644
--- a/src/crd-controller/HostedServices/V1Alpha2Controller.cs
+++ b/src/crd-controller/HostedServices/V1Alpha2Controller.cs
@@ -76,8 +76,9 @@ public Task StartAsync(CancellationToken token)
             mSubscription = ObserveKamusSecret(token);
             Observable.Interval(TimeSpan.FromSeconds(mReconciliationIntervalInSeconds)).Subscribe((s) =>
             {
-                mSubscription.Dispose();
+                var oldSubscription = mSubscription;
                 mSubscription = ObserveKamusSecret(token);
+                oldSubscription.Dispose();
             });
             
             mLogger.Information("Starting watch for KamusSecret V1Alpha2 events");