diff --git a/src/XD0OTA.cpp b/src/XD0OTA.cpp
index c105696..a23d623 100644
--- a/src/XD0OTA.cpp
+++ b/src/XD0OTA.cpp
@@ -105,19 +105,19 @@ int XD0OTA::checkForUpdates() {
 }
 
 void XD0OTA::setClock() {
-  configTime(0, 0, "pool.ntp.org", "time.nist.gov");  // UTC
-  DEBUG_MSG(F("Waiting for NTP time sync: "));
+  configTime(MY_TZ, "pool.ntp.org");
+  DEBUG_MSG("Waiting for NTP time sync: ");
   time_t now = time(nullptr);
   while (now < 8 * 3600 * 2) {
     yield();
     delay(500);
-    DEBUG_MSG(F("."));
+    DEBUG_MSG(".");
     now = time(nullptr);
   }
 
-  DEBUG_MSG(F(""));
+  DEBUG_MSG("");
   struct tm timeinfo;
   gmtime_r(&now, &timeinfo);
-  DEBUG_MSG(F("Current time: "));
+  DEBUG_MSG("Current time: ");
   Serial.print(asctime(&timeinfo));
 }
diff --git a/src/XD0OTA.h b/src/XD0OTA.h
index 97a4cdd..25fd2e4 100644
--- a/src/XD0OTA.h
+++ b/src/XD0OTA.h
@@ -8,6 +8,8 @@
 
 #include <time.h>
 
+#define MY_TZ "CET-1CEST,M3.5.0,M10.5.0/3" // https://github.com/nayarsystems/posix_tz_db/blob/master/zones.csv
+
 //const int FW_VERSION = 13; // see main.h
 
 class XD0OTA {