diff --git a/flight/Modules/System/systemmod.c b/flight/Modules/System/systemmod.c
index b3da26870..a787a2a82 100644
--- a/flight/Modules/System/systemmod.c
+++ b/flight/Modules/System/systemmod.c
@@ -365,7 +365,7 @@ static void updateStats()
 	if (now > lastTickCount) {
 		uint32_t dT = (xTaskGetTickCount() - lastTickCount) * portTICK_RATE_MS;	// in ms
 		stats.CPULoad =
-			100 - (uint8_t) round(100.0 * ((float)idleCounter / ((float)dT / 1000.0)) / (float)IDLE_COUNTS_PER_SEC_AT_NO_LOAD);
+			100 - (uint8_t) roundf(100.0f * ((float)idleCounter / ((float)dT / 1000.0f)) / (float)IDLE_COUNTS_PER_SEC_AT_NO_LOAD);
 	} //else: TickCount has wrapped, do not calc now
 	lastTickCount = now;
 	idleCounterClear = 1;