diff --git a/limiting/limiter.go b/limiting/limiter.go
index 4d29a71..0f550f8 100644
--- a/limiting/limiter.go
+++ b/limiting/limiter.go
@@ -69,7 +69,7 @@ func (lr *SemaphoreLimiter) Acquire(key string) (ReleaseFunc, bool) {
 	}
 
 	if ok := sem.Acquire(); ok {
-		return func() { sem.Release() }, true
+		return sem.Release, true
 	}
 	return nil, false
 }