diff --git a/tests/psoc6/hw_ext/pwm.py b/tests/psoc6/hw_ext/pwm.py
index b49800a83502f..20f435314b719 100644
--- a/tests/psoc6/hw_ext/pwm.py
+++ b/tests/psoc6/hw_ext/pwm.py
@@ -22,7 +22,7 @@
 low_signal_start_time = 0
 high_signal_start_time = 0
 tolerance = 3.0
-duty_tolerance = 10.0
+duty_tolerance = 13.0
 debug = False