diff --git a/src/NodeService.cpp b/src/NodeService.cpp
index 71e1dca..b290c33 100644
--- a/src/NodeService.cpp
+++ b/src/NodeService.cpp
@@ -1829,7 +1829,7 @@ int NodeService::setRoots(const void* rootsData, unsigned int len)
     return ZTS_ERR_OK;
 }
 
-int_fast32_t NodeService::setLowBandwidthMode(bool enabled)
+int NodeService::setLowBandwidthMode(bool enabled)
 {
     Mutex::Lock _lr(_run_m);
     if (_run) {