diff --git a/src/modules/sensors/RTC/RTC.cpp b/src/modules/sensors/RTC/RTC.cpp
index 511bb91a..8446ed98 100644
--- a/src/modules/sensors/RTC/RTC.cpp
+++ b/src/modules/sensors/RTC/RTC.cpp
@@ -39,14 +39,14 @@ class RTC : public IoTItem {
         return this;
     }
 
-    ulong getRtcUnixTime() {
+    unsigned long getRtcUnixTime() {
         return _watch->gettimeUnix();
     }
 
     void onModuleOrder(String &key, String &value) {
         if (key == "setUTime") {
             char *stopstring;
-            ulong ut = strtoul(value.c_str(), &stopstring, 10);
+            unsigned long ut = strtoul(value.c_str(), &stopstring, 10);
             _watch->settimeUnix(ut);
             SerialPrint("i", F("RTC"), "Устанавливаем время: " + value);
         } else if (key == "setSysTime") {