diff --git a/tests/drivers/pwm/pwm_loopback/src/test_pwm_loopback.c b/tests/drivers/pwm/pwm_loopback/src/test_pwm_loopback.c
index 5320d087de5..dbf4db8b036 100644
--- a/tests/drivers/pwm/pwm_loopback/src/test_pwm_loopback.c
+++ b/tests/drivers/pwm/pwm_loopback/src/test_pwm_loopback.c
@@ -99,9 +99,12 @@ static void test_capture(uint32_t period, uint32_t pulse, enum test_pwm_unit uni
 			       "period capture off by more than 1%");
 	}
 
-	if (flags & PWM_CAPTURE_TYPE_PULSE) {
+	if (flags & PWM_POLARITY_INVERTED) {
+		zassert_within(pulse_capture, period - pulse, (period - pulse) / 100,
+				"pulse capture off by more than 1%");
+	} else {
 		zassert_within(pulse_capture, pulse, pulse / 100,
-			       "pulse capture off by more than 1%");
+				"pulse capture off by more than 1%");
 	}
 }