diff --git a/key_join_group_async.go b/key_join_group_async.go
index df3715a..0769f2d 100644
--- a/key_join_group_async.go
+++ b/key_join_group_async.go
@@ -56,21 +56,20 @@ func (n *KeyJoinGroupAsyncNode[K, X, Z]) start(wf *Workflow) {
 		for key := range updates {
 			if x, ok := hits[key]; ok {
 				x++
-				if x >= len(n.Inputs) {
-					delete(hits, key)
-					mut.Lock()
-					val := n.Proc(key, store[key])
-					delete(store, key)
-					mut.Unlock()
-					for i := range n.Outputs {
-						n.Outputs[i] <- KeyValue[K, Z]{key, val}
-					}
-				} else {
-					hits[key] = x
-				}
+				hits[key] = x
 			} else {
 				hits[key] = 1
 			}
+			if hits[key] >= len(n.Inputs) {
+				delete(hits, key)
+				mut.Lock()
+				val := n.Proc(key, store[key])
+				delete(store, key)
+				mut.Unlock()
+				for i := range n.Outputs {
+					n.Outputs[i] <- KeyValue[K, Z]{key, val}
+				}
+			}
 		}
 		for i := range n.Outputs {
 			close(n.Outputs[i])