diff --git a/esphome/components/wifi/wifi_component_esp_idf.cpp b/esphome/components/wifi/wifi_component_esp_idf.cpp
index 34ecaf887d..56cae1b1cc 100644
--- a/esphome/components/wifi/wifi_component_esp_idf.cpp
+++ b/esphome/components/wifi/wifi_component_esp_idf.cpp
@@ -674,6 +674,11 @@ void WiFiComponent::wifi_process_event_(IDFWiFiEvent *data) {
       return;
     }
 
+    if (it.number == 0) {
+      // no results
+      return;
+    }
+
     uint16_t number = it.number;
     std::vector<wifi_ap_record_t> records(number);
     err = esp_wifi_scan_get_ap_records(&number, records.data());