diff --git a/Utils.cpp b/Utils.cpp
index 7344a72..774958f 100644
--- a/Utils.cpp
+++ b/Utils.cpp
@@ -160,14 +160,14 @@ std::string CUtils::createTimestamp()
 	SYSTEMTIME st;
 	::GetSystemTime(&st);
 
-	::sprintf(buffer, "%04u-%02u-%02u %02u:%02u:%02u.%03u", st.wYear, st.wMonth, st.wDay, st.wHour, st.wMinute, st.wSecond, st.wMilliseconds);
+	::sprintf(buffer, "%04u-%02u-%02uT%02u:%02u:%02u.%03uZ", st.wYear, st.wMonth, st.wDay, st.wHour, st.wMinute, st.wSecond, st.wMilliseconds);
 #else
 	struct timeval now;
 	::gettimeofday(&now, nullptr);
 
 	struct tm* tm = ::gmtime(&now.tv_sec);
 
-	::sprintf(buffer, "%04d-%02d-%02d %02d:%02d:%02d.%03lld", tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday, tm->tm_hour, tm->tm_min, tm->tm_sec, now.tv_usec / 1000LL);
+	::sprintf(buffer, "%04d-%02d-%02dT%02d:%02d:%02d.%03lldZ", tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday, tm->tm_hour, tm->tm_min, tm->tm_sec, now.tv_usec / 1000LL);
 #endif
 
 	return buffer;