diff --git a/polybar/nightscout_cgm.sh b/polybar/nightscout_cgm.sh
index 1b42353..a40c924 100644
--- a/polybar/nightscout_cgm.sh
+++ b/polybar/nightscout_cgm.sh
@@ -1,2 +1,2 @@
 #!/bin/bash
-curl -s -X GET "https://nightscout.mgrote.net/api/v1/entries/sgv?count=1&token=polybar-ae6fe2720f2c30f4"  | awk '{print $3 * 0.055}'
+curl -s -X GET "https://nightscout.mgrote.net/api/v1/entries/sgv?count=1&token=polybar-ae6fe2720f2c30f4"  | awk '{$zw=$3 * 0.055} {printf "%.2f\n",$zw}'