diff --git a/src/di/Container.ts b/src/di/Container.ts
index 6b4a412..fd09594 100644
--- a/src/di/Container.ts
+++ b/src/di/Container.ts
@@ -48,7 +48,7 @@ export interface AwareOfContainerLifecycle {
 
 export function isAwareOfContainerLifecycle(what: unknown): what is AwareOfContainerLifecycle {
     return Boolean(
-        typeof what === 'object'
+        (typeof what === 'object' || typeof what === 'function')
         && what !== null
         && hasOwnProperty(what, 'awareOfContainerLifecycle')
         && what.awareOfContainerLifecycle,