diff --git a/firmware/controllers/actuators/gppwm/gppwm_channel.cpp b/firmware/controllers/actuators/gppwm/gppwm_channel.cpp
index 4386af4aa2..9fae2faca6 100644
--- a/firmware/controllers/actuators/gppwm/gppwm_channel.cpp
+++ b/firmware/controllers/actuators/gppwm/gppwm_channel.cpp
@@ -6,6 +6,8 @@
 #include "table_helper.h"
 #include "expected.h"
 
+#define EPS3 0.001
+
 expected<float> readGppwmChannel(gppwm_channel_e channel DECLARE_ENGINE_PARAMETER_SUFFIX) {
 	switch (channel) {
 	case GPPWM_Tps:
@@ -46,7 +48,7 @@ void GppwmChannel::setOutput(float result) {
 		m_pwm->setSimplePwmDutyCycle(clampF(0, result / 100.0f, 1));
 	} else {
 		efiAssertVoid(OBD_PCM_Processor_Fault, m_output, "m_output null");
-		if (m_config->offBelowDuty >  m_config->onAboveDuty) {
+		if (m_config->offBelowDuty - m_config->onAboveDuty > EPS3) {
 			firmwareError(CUSTOM_ERR_6122, "You can't have off below %f greater than on above %f",
 					m_config->offBelowDuty,
 					m_config->onAboveDuty);