diff --git a/src/sw/redis++/async_redis.h b/src/sw/redis++/async_redis.h
index 8e1d4581..c1691c26 100644
--- a/src/sw/redis++/async_redis.h
+++ b/src/sw/redis++/async_redis.h
@@ -1453,7 +1453,7 @@ class AsyncRedis {
 
     template <typename Output, typename Interval>
     Future<Output> zrangebyscore(const StringView &key, const Interval &interval) {
-        return zrangebyscore(key, interval, {});
+        return zrangebyscore<Output>(key, interval, {});
     }
 
     template <typename Output, typename Interval, typename Callback>
@@ -1582,7 +1582,7 @@ class AsyncRedis {
 
     template <typename Output, typename Interval>
     Future<Output> zrevrangebyscore(const StringView &key, const Interval &interval) {
-        return zrevrangebyscore(key, interval, {});
+        return zrevrangebyscore<Output>(key, interval, {});
     }
 
     template <typename Output, typename Interval, typename Callback>