diff --git a/src/stratis/object_cache.rs b/src/stratis/object_cache.rs
index 5bce5ba..a9aa43a 100644
--- a/src/stratis/object_cache.rs
+++ b/src/stratis/object_cache.rs
@@ -354,6 +354,7 @@ impl ObjectCache {
                         args.object_path()
                     )));
                 }
+                self.any_pool_size_changed.notify_one();
                 break;
             } else if iface == FilesystemProxy::<'static>::INTERFACE.as_ref().unwrap() {
                 if self
@@ -366,6 +367,7 @@ impl ObjectCache {
                         args.object_path()
                     )));
                 }
+                self.any_pool_size_changed.notify_one();
                 break;
             }
         }