diff --git a/code/components/jomjol_time_sntp/time_sntp.cpp b/code/components/jomjol_time_sntp/time_sntp.cpp
index e6f023096..78df9d5b4 100644
--- a/code/components/jomjol_time_sntp/time_sntp.cpp
+++ b/code/components/jomjol_time_sntp/time_sntp.cpp
@@ -178,7 +178,12 @@ bool setupTime() {
         splitted = ZerlegeZeile(line, "=");
 
         if (toUpper(splitted[0]) == "TIMEZONE") {
-            timeZone = splitted[1];
+            if (splitted.size() <= 1) { // parameter part is empty
+                timeZone = "";
+            }
+            else {
+                timeZone = splitted[1];
+            }
         }
 
         if (toUpper(splitted[0]) == "TIMESERVER") {