diff --git a/firmware/controllers/algo/engine.cpp b/firmware/controllers/algo/engine.cpp
index 62d6ed3ff5..5f1b75f8bc 100644
--- a/firmware/controllers/algo/engine.cpp
+++ b/firmware/controllers/algo/engine.cpp
@@ -457,7 +457,7 @@ void Engine::efiWatchdog() {
 		float secondsNow = currentTimeMillis();
 		if (mostRecentSecond != 0) {
 			float gapInSeconds = secondsNow - mostRecentSecond;
-			if (gapInSeconds > 0.5) {
+			if (gapInSeconds > 500) {
 				// float has 24 bits in the mantissa, which should allow up to 8 significant figures
 				// we loose precision here after about 1,000,000 seconds which is 11 days
 				firmwareError(WATCH_DOG_SECONDS, "gap in seconds %f %f", secondsNow, gapInSeconds);