diff --git a/src/navigation.cpp b/src/navigation.cpp
index 01559f7..38f8ff1 100644
--- a/src/navigation.cpp
+++ b/src/navigation.cpp
@@ -46,11 +46,11 @@ bool Navigation::callSlamService(int api_id, const nlohmann::json& data) {
     try {
         nlohmann::json response_json = nlohmann::json::parse(response_str);
         if (response_json.contains("succeed") && response_json["succeed"].get<bool>()) {
-            LOG_INFO("Slam service call for api_id " + std::to_string(api_id) + " succeeded. Info: " + response_json.value("info", "").get<std::string>());
+            LOG_INFO("Slam service call for api_id " + std::to_string(api_id) + " succeeded. Info: " + response_json.value("info", ""));
             return true;
         } else {
             LOG_ERROR("Slam service call for api_id " + std::to_string(api_id) + " failed. Error code: " + 
-                      std::to_string(response_json.value("errorCode", -1).get<int>()) + ", Info: " + response_json.value("info", "").get<std::string>());
+                      std::to_string(response_json.value("errorCode", -1)) + ", Info: " + response_json.value("info", ""));
             return false;
         }
     } catch (const nlohmann::json::parse_error& e) {