diff --git a/drivers/pwm/core.c b/drivers/pwm/core.c
index dc66e3405bf5..0c8c63239adb 100644
--- a/drivers/pwm/core.c
+++ b/drivers/pwm/core.c
@@ -176,7 +176,7 @@ of_pwm_single_xlate(struct pwm_chip *chip, const struct of_phandle_args *args)
 	pwm->args.period = args->args[0];
 	pwm->args.polarity = PWM_POLARITY_NORMAL;
 
-	if (args->args_count == 2 && args->args[2] & PWM_POLARITY_INVERTED)
+	if (args->args_count == 2 && args->args[1] & PWM_POLARITY_INVERTED)
 		pwm->args.polarity = PWM_POLARITY_INVERSED;
 
 	return pwm;