diff --git a/firmware/controllers/algo/engine.cpp b/firmware/controllers/algo/engine.cpp
index 6b7f4620be..648e7fe908 100644
--- a/firmware/controllers/algo/engine.cpp
+++ b/firmware/controllers/algo/engine.cpp
@@ -193,6 +193,7 @@ void Engine::periodicSlowCallback(DECLARE_ENGINE_PARAMETER_SIGNATURE) {
 	slowCallBackWasInvoked = true;
 
 #if HW_CHECK_MODE
+	waitForSlowAdc(3);
 	assertCloseTo("clt", Sensor::get(SensorType::Clt).Value, 49.3);
 	assertCloseTo("iat", Sensor::get(SensorType::Iat).Value, 73.2);
 	assertCloseTo("aut1", Sensor::get(SensorType::AuxTemp1).Value, 13.8);