diff --git a/FamilyPlanner.ino b/FamilyPlanner.ino
index eb17fc3..800f786 100644
--- a/FamilyPlanner.ino
+++ b/FamilyPlanner.ino
@@ -56,10 +56,10 @@ const uint8_t *digits[10] = { image_data_icon_digit_0, image_data_icon_digit_1,
 
 //CHANGE HERE ---------------
 
-char *ssid = "Freifunk";
-char *pass = "";
-char *calendarURL = "https://mail.unitas-network.de/mergedCalendars.json";
-char *timeZone = "CET-1CEST,M3.5.0/02,M10.5.0/03";
+const char *ssid = "Freifunk";
+const char *pass = "";
+const char *calendarURL = "";
+const char *timeZone = "CET-1CEST,M3.5.0/02,M10.5.0/03";
 
 //Set to 1 to flip the screen 180 degrees
 #define ROTATION 3
diff --git a/Network.cpp b/Network.cpp
index 3e432df..88b4490 100644
--- a/Network.cpp
+++ b/Network.cpp
@@ -35,11 +35,10 @@ void Network::begin()
 void Network::getTime(int *timeDigits)
 {
     struct tm timeinfo;
+    time_t nowSecs = time(nullptr);
 
     setenv("TZ", timeZone, 1);
     tzset();
-
-    time_t nowSecs = time(nullptr);
     localtime_r(&nowSecs, &timeinfo);
 
     // fill in the digits
diff --git a/Network.h b/Network.h
index b3c907f..2e4b761 100644
--- a/Network.h
+++ b/Network.h
@@ -4,17 +4,15 @@
 #include <WiFiClientSecure.h>
 
 // To get vars from main file
-extern char *timeZone;
+extern const char *ssid;
+extern const char *pass;
+extern const char *calendarURL;
+extern const char *timeZone;
+
 extern char calName[5][31];
 extern char calStart[5][26];
 extern char calTitle[5][81];
 
-// Wifi ssid and password
-extern char *ssid;
-extern char *pass;
-
-extern char *calendarURL;
-
 #ifndef NETWORK_H
 #define NETWORK_H