diff --git a/FamilyPlanner.ino b/FamilyPlanner.ino
index 800f786..8b4f350 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 ---------------
 
-const char *ssid = "Freifunk";
-const char *pass = "";
-const char *calendarURL = "";
-const char *timeZone = "CET-1CEST,M3.5.0/02,M10.5.0/03";
+char *ssid = "Freifunk";
+char *pass = "";
+char *calendarURL = "";
+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.h b/Network.h
index 2e4b761..58dd3e6 100644
--- a/Network.h
+++ b/Network.h
@@ -4,10 +4,10 @@
 #include <WiFiClientSecure.h>
 
 // To get vars from main file
-extern const char *ssid;
-extern const char *pass;
-extern const char *calendarURL;
-extern const char *timeZone;
+extern char *ssid;
+extern char *pass;
+extern char *calendarURL;
+extern char *timeZone;
 
 extern char calName[5][31];
 extern char calStart[5][26];