diff --git a/components/esp_wifi/wifi_apps/roaming_app/include/esp_roaming.h b/components/esp_wifi/wifi_apps/roaming_app/include/esp_roaming.h
index cf974c306bc..25850f56f46 100644
--- a/components/esp_wifi/wifi_apps/roaming_app/include/esp_roaming.h
+++ b/components/esp_wifi/wifi_apps/roaming_app/include/esp_roaming.h
@@ -20,7 +20,6 @@ struct roam_config {
     bool low_rssi_roam_trigger;
     int8_t low_rssi_threshold;
     uint8_t rssi_threshold_reduction_offset;
-    uint8_t low_rssi_roam_diff;
     bool scan_monitor;
 #if CONFIG_ESP_WIFI_ROAMING_PERIODIC_SCAN_MONITOR
     uint8_t scan_interval;
@@ -37,6 +36,7 @@ struct roam_config {
     uint8_t scan_filter_ssid[ROAM_SCAN_FILTER_SSID_LEN];
     uint8_t scan_filter_bssid[ROAM_SCAN_FILTER_BSSID_LEN];
     bool scan_filter_bssid_set;
+    uint8_t low_rssi_roam_diff;
 };
 
 void roam_init_app(void);
diff --git a/components/esp_wifi/wifi_apps/roaming_app/src/roaming_app.c b/components/esp_wifi/wifi_apps/roaming_app/src/roaming_app.c
index ec077ddf0df..0e75d68222c 100644
--- a/components/esp_wifi/wifi_apps/roaming_app/src/roaming_app.c
+++ b/components/esp_wifi/wifi_apps/roaming_app/src/roaming_app.c
@@ -70,6 +70,8 @@ static const char *ROAMING_TAG = "ROAM";
 
 #define RSSI_THRESHOLD_DISABLED -100
 #define RSSI_THRESHOLD_MAX 10
+#define LOW_RSSI_ROAM_DIFF_MIN 1
+#define LOW_RSSI_ROAM_DIFF_MAX 99
 #define BTM_QUERY_LIST_MAX_LEN (MAX_NEIGHBOR_LEN + 96)
 #define ROAMING_PENDING_TIMEOUT_USER_DATA_MAX 16
 
@@ -160,6 +162,19 @@ static int32_t roaming_app_clamp_rssi_threshold(int threshold)
     return threshold;
 }
 
+static uint8_t roaming_app_clamp_low_rssi_roam_diff(uint8_t diff)
+{
+    if (diff < LOW_RSSI_ROAM_DIFF_MIN) {
+        return LOW_RSSI_ROAM_DIFF_MIN;
+    }
+
+    if (diff > LOW_RSSI_ROAM_DIFF_MAX) {
+        return LOW_RSSI_ROAM_DIFF_MAX;
+    }
+
+    return diff;
+}
+
 static bool roaming_app_scan_cache_is_valid(const struct timeval *now)
 {
     if (g_roaming_app.scanned_aps.time.tv_sec == 0 && g_roaming_app.scanned_aps.time.tv_usec == 0) {
@@ -2400,6 +2415,8 @@ static int update_config_params(void *data)
                               sizeof(next_scan_filter_bssid)) != 0);
 
     g_roaming_app.config = *config;
+    g_roaming_app.config.low_rssi_roam_diff =
+        roaming_app_clamp_low_rssi_roam_diff(g_roaming_app.config.low_rssi_roam_diff);
     memset(g_roaming_app.config.scan_filter_ssid, 0, sizeof(g_roaming_app.config.scan_filter_ssid));
     memset(g_roaming_app.config.scan_filter_bssid, 0, sizeof(g_roaming_app.config.scan_filter_bssid));
     g_roaming_app.config.scan_filter_bssid_set = false;