diff --git a/cores/realtek-amb/arduino/libraries/WiFi/WiFiScan.cpp b/cores/realtek-amb/arduino/libraries/WiFi/WiFiScan.cpp
index 95408815d..52d1cdafc 100644
--- a/cores/realtek-amb/arduino/libraries/WiFi/WiFiScan.cpp
+++ b/cores/realtek-amb/arduino/libraries/WiFi/WiFiScan.cpp
@@ -24,6 +24,7 @@ static rtw_result_t scanHandler(rtw_scan_handler_result_t *result) {
 	if (cls->scanAlloc(last) < last) {
 		return RTW_SUCCESS;
 	}
+	last--;
 
 	scan->ap[last].ssid	   = strdup((char *)net->SSID.val);
 	scan->ap[last].auth	   = securityTypeToAuthMode(net->security);