diff --git a/production/nginx-cache-heater b/production/nginx-cache-heater
index 00fc6ea7a..4bbe8ee15 100755
--- a/production/nginx-cache-heater
+++ b/production/nginx-cache-heater
@@ -1,5 +1,5 @@
 #!/usr/bin/env zsh
-hostname=mempool.space
+hostname=$(hostname)
 
 heat()
 {