diff --git a/components/protocols/src/rest.c b/components/protocols/src/rest.c
index 07ab98c..ac81708 100755
--- a/components/protocols/src/rest.c
+++ b/components/protocols/src/rest.c
@@ -118,10 +118,16 @@ static esp_err_t rest_common_get_handler(httpd_req_t *req)
     }
     int fd = open(filepath, O_RDONLY, 0);
     if (fd == -1) {
-        ESP_LOGE(REST_TAG, "Failed to open file : %s", filepath);
-        /* Respond with 500 Internal Server Error */
-        httpd_resp_send_err(req, HTTPD_500_INTERNAL_SERVER_ERROR, "Failed to read existing file");
-        return ESP_FAIL;
+        ESP_LOGW(REST_TAG, "Failed to open file : %s, redirecting to index", filepath);
+        /* Try to serve index.html for SPA routing */
+        strlcpy(filepath, rest_context->base_path, sizeof(filepath));
+        strlcat(filepath, "/index.html", sizeof(filepath));
+        fd = open(filepath, O_RDONLY, 0);
+        if (fd == -1) {
+            ESP_LOGE(REST_TAG, "Failed to open index file : %s", filepath);
+            httpd_resp_send_err(req, HTTPD_404_NOT_FOUND, "File not found");
+            return ESP_FAIL;
+        }
     }
 
     set_content_type_from_file(req, filepath);