diff --git a/ext/nginx.conf.d/production.conf.template b/ext/nginx.conf.d/production.conf.template
index c0c138c..fd091c3 100644
--- a/ext/nginx.conf.d/production.conf.template
+++ b/ext/nginx.conf.d/production.conf.template
@@ -2,7 +2,7 @@
 # The point of this config file is to have near-identical setup in PRODUCTION.
 # Use it in production or copy it over
 
-upstream puma {
+upstream ensl_production {
   server production:$PRODUCTION_PUMA_PORT;
   # server unix:/var/tmp/puma.$RAILS_ENV.sock fail_timeout=0;
 }
diff --git a/ext/nginx.conf.d/staging.conf.template b/ext/nginx.conf.d/staging.conf.template
index b5b3103..e2f13cc 100644
--- a/ext/nginx.conf.d/staging.conf.template
+++ b/ext/nginx.conf.d/staging.conf.template
@@ -2,7 +2,7 @@
 # The point of this config file is to have near-identical setup in staging.
 # Use it in production or copy it over
 
-upstream puma {
+upstream ensl_staging {
   server staging:$PUMA_PORT;
   # server unix:/var/tmp/puma.$RAILS_ENV.sock fail_timeout=0;
 }