diff --git a/dataprovider-core/src/test/java/nl/hauntedmc/dataprovider/core/DataProviderRegistryTest.java b/dataprovider-core/src/test/java/nl/hauntedmc/dataprovider/core/DataProviderRegistryTest.java
index 5cf684b..b88d744 100644
--- a/dataprovider-core/src/test/java/nl/hauntedmc/dataprovider/core/DataProviderRegistryTest.java
+++ b/dataprovider-core/src/test/java/nl/hauntedmc/dataprovider/core/DataProviderRegistryTest.java
@@ -748,6 +748,9 @@ void unregisterClosingAnOldSlotCannotUntrackTheReplacementRuntimeControl() throw
         assertTrue(registry.slotRemoved.await(5, TimeUnit.SECONDS));
 
         registry.reloadConfiguration();
+        // reloadConfiguration intentionally requests health asynchronously. Drain that request
+        // before taking the baseline so the post-close verification cannot reuse the same future.
+        registry.probeRemoteHealthAsync().join();
         int probesBeforeOldClose = sharedTarget.probeCalls;
         registry.allowOldClose.countDown();
         unregister.join();