diff --git a/targets/TARGET_Cypress/TARGET_PSOC6/cy_pwmout_api.c b/targets/TARGET_Cypress/TARGET_PSOC6/cy_pwmout_api.c
index b0b1988eeb1..6e83a81fcad 100644
--- a/targets/TARGET_Cypress/TARGET_PSOC6/cy_pwmout_api.c
+++ b/targets/TARGET_Cypress/TARGET_PSOC6/cy_pwmout_api.c
@@ -50,7 +50,7 @@ void pwmout_write(pwmout_t *obj, float percent)
 
 float pwmout_read(pwmout_t *obj)
 {
-    return 100.0f * obj->width_us / obj->period_us;
+    return ((float)(obj->width_us) / obj->period_us);
 }
 
 void pwmout_period(pwmout_t *obj, float seconds)