diff --git a/firmware/controllers/actuators/electronic_throttle.cpp b/firmware/controllers/actuators/electronic_throttle.cpp
index a40ae69143..fbb1bdab0b 100644
--- a/firmware/controllers/actuators/electronic_throttle.cpp
+++ b/firmware/controllers/actuators/electronic_throttle.cpp
@@ -624,9 +624,9 @@ expected<percent_t> EtbController::getOutput() {
 	if (!output) {
 		return output;
 	}
-    etbDutyAverage = m_dutyAverage.average(output.Value);
+    etbDutyAverage = m_dutyAverage.average(absF(output.Value));
 
-    etbDutyRateOfChange = m_dutyRocAverage.average(output.Value - prevOutput);
+    etbDutyRateOfChange = m_dutyRocAverage.average(absF(output.Value - prevOutput));
 	prevOutput = output.Value;
 	return output;
 }
diff --git a/unit_tests/tests/actuators/test_etb_integrated.cpp b/unit_tests/tests/actuators/test_etb_integrated.cpp
index 7ec1430999..18b0b29c35 100644
--- a/unit_tests/tests/actuators/test_etb_integrated.cpp
+++ b/unit_tests/tests/actuators/test_etb_integrated.cpp
@@ -35,17 +35,16 @@ TEST(etb, integrated) {
 
 	Sensor::setMockValue(SensorType::AcceleratorPedal, 10, true);
 	etb->update();
-	ASSERT_NEAR(etb->etbDutyAverage, -9.89286, EPS3D);
-	ASSERT_NEAR(etb->etbDutyRateOfChange, -70.074, EPS3D);
+	ASSERT_NEAR(etb->etbDutyAverage, 70.0741, EPS3D);
+	ASSERT_NEAR(etb->etbDutyRateOfChange, 130.2554, EPS3D);
 
 	float destination;
 	int offset = ELECTRONIC_THROTTLE_BASE_ADDRESS + offsetof(electronic_throttle_s, etbDutyRateOfChange);
 	copyRange((uint8_t*)&destination, getLiveDataFragments(), offset, sizeof(destination));
-	ASSERT_NEAR(destination, -70.074, EPS3D);
+	ASSERT_NEAR(destination, 130.2554, EPS3D);
 }
 
 
-
 TEST(etb, integratedTpsJitter) {
 	EngineTestHelper eth(TEST_ENGINE); // we have a destructor so cannot move EngineTestHelper into utility method
 	EtbController *etb = initEtbIntegratedTest();