diff --git a/healthcheck.sh b/healthcheck.sh
index 2d9cb21..750fc53 100755
--- a/healthcheck.sh
+++ b/healthcheck.sh
@@ -1,8 +1,12 @@
 #!/bin/bash
 
+if [ -z "${PUBLIC_IP}" ]; then
+  PUBLIC_IP="$(curl -s https://ifconfig.me/ip)"
+fi
+
 if curl https://api.steampowered.com/ISteamApps/GetServersAtAddress/v1?addr=${PUBLIC_IP} -qq | grep Space -q
 then
         exit 0
 else
         exit 1
-fi
\ No newline at end of file
+fi