diff --git a/include/dpp/cluster.h b/include/dpp/cluster.h
index cc4465bd59..352a200f54 100644
--- a/include/dpp/cluster.h
+++ b/include/dpp/cluster.h
@@ -363,7 +363,7 @@ class DPP_EXPORT cluster {
 	 * @param seconds How long to wait for
 	 * @return awaitable<timer> Object that can be co_await-ed to suspend the function for a certain time
 	 */
-	awaitable<timer> co_sleep(uint64_t seconds);
+	[[nodiscard]] awaitable<timer> co_sleep(uint64_t seconds);
 #endif
 
 	/**
diff --git a/src/dpp/cluster/timer.cpp b/src/dpp/cluster/timer.cpp
index 3f92d61e52..af767fff5a 100644
--- a/src/dpp/cluster/timer.cpp
+++ b/src/dpp/cluster/timer.cpp
@@ -106,8 +106,8 @@ void cluster::tick_timers() {
 
 #ifdef DPP_CORO
 awaitable<timer> cluster::co_sleep(uint64_t seconds) {
-	return {[this, seconds] (auto &&cb) {
-		start_timer([this, cb](dpp::timer handle) {
+	return awaitable<timer>{[this, seconds] (auto &&cb) mutable {
+		start_timer([this, cb] (dpp::timer handle) {
 			cb(handle);
 			stop_timer(handle);
 		}, seconds);