diff --git a/components/ieee802154/include/esp_ieee802154_types.h b/components/ieee802154/include/esp_ieee802154_types.h
index 0b83cf2eed..8c551f7552 100644
--- a/components/ieee802154/include/esp_ieee802154_types.h
+++ b/components/ieee802154/include/esp_ieee802154_types.h
@@ -9,6 +9,8 @@
 #include <stdint.h>
 #include <stdbool.h>
 
+#define US_PER_SYMBLE 16
+
 #ifdef __cplusplus
 extern "C" {
 #endif
diff --git a/components/openthread/src/port/esp_openthread_radio.c b/components/openthread/src/port/esp_openthread_radio.c
index 3e0f4286fe..f87cb68291 100644
--- a/components/openthread/src/port/esp_openthread_radio.c
+++ b/components/openthread/src/port/esp_openthread_radio.c
@@ -412,7 +412,8 @@ void otPlatRadioClearSrcMatchExtEntries(otInstance *aInstance)
 
 otError otPlatRadioEnergyScan(otInstance *aInstance, uint8_t aScanChannel, uint16_t aScanDuration)
 {
-    esp_ieee802154_energy_detect(aScanDuration);
+    esp_ieee802154_set_channel(aScanChannel);
+    esp_ieee802154_energy_detect(aScanDuration * US_PER_MS / US_PER_SYMBLE);
 
     return OT_ERROR_NONE;
 }