diff --git a/src/ZigUP/Source/global.c b/src/ZigUP/Source/global.c
index 6c677c6..2bb1925 100755
--- a/src/ZigUP/Source/global.c
+++ b/src/ZigUP/Source/global.c
@@ -42,5 +42,5 @@ volatile uint8 ds18b20_dscrc_table[] = {
 87, 9,235,181, 54,104,138,212,149,203, 41,119,244,170, 72, 22,
 233,183, 85, 11,136,214, 52,106, 43,117,151,201, 74, 20,246,168,
 116, 42,200,150, 21, 75,169,247,182,232, 10, 84,215,137,107, 53};
-char EXT_Temperature_string[1 + 8*2 + 1 + 7 + 1] = { 25, '0', '0', '0', '0', '0',  '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', ':', '-', '9', '9', '9', '.', '9', '9', 0 };
+char EXT_Temperature_string[1 + 8*2 + 1 + 7 + 1] = { 24, '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', ':', '-', '9', '9', '9', '.', '9', '9', 0 };
 float EXT_Temperatures[ds18b20_MAX_DEVICES];