diff --git a/polybar/config b/polybar/config
index b970dbb..d15638a 100644
--- a/polybar/config
+++ b/polybar/config
@@ -54,7 +54,7 @@ cursor-scroll = ns-resize
 [module/nightscout_script]
 type = custom/script
 exec = /home/mg/dotfiles/polybar/scripte/nightscout_cgm.sh
-interval = 120
+interval = 30
 format-prefix = "BZ "
 format-prefix-foreground = ${colors.foreground-alt}