diff --git a/workflow/controller/operator.go b/workflow/controller/operator.go
index ffc29948ff8a..eac39b18a896 100644
--- a/workflow/controller/operator.go
+++ b/workflow/controller/operator.go
@@ -1956,6 +1956,7 @@ func (woc *wfOperationCtx) executeTemplate(ctx context.Context, nodeName string,
 	if node != nil {
 		fulfilledNode := woc.handleNodeFulfilled(nodeName, node, processedTmpl)
 		if fulfilledNode != nil {
+			woc.controller.syncManager.Release(woc.wf, node.ID, processedTmpl.Synchronization)
 			return fulfilledNode, nil
 		}
 		// Memoized nodes don't have StartedAt.