diff --git a/pcbnew/github/nginx.conf b/pcbnew/github/nginx.conf
index 24f3320230..1469087803 100644
--- a/pcbnew/github/nginx.conf
+++ b/pcbnew/github/nginx.conf
@@ -6,7 +6,7 @@
 # In my case I also added a small RAM disk on a linux server to hold the cache.
 # This line in /etc/fstab adds my RAM disk, this is 10 mbytes but 5mb would
 # probably suffice:
-none            /var/cache/nginx                          tmpfs   size=10m
+# none            /var/cache/nginx                          tmpfs   size=10m
 
 # I then set my KIGITHUB environment variable to
 # export KIGITHUB=http://my_server:54321/KiCad
@@ -28,7 +28,7 @@ events {
 
 
 http {
-    proxy_cache_path /var/cache/nginx keys_zone=cache_zone:10m;
+    proxy_cache_path /var/cache/nginx keys_zone=cache_zone:10m inactive=1w;
 
     server {
         # nginx will listen on this port:
@@ -38,7 +38,7 @@ http {
 
         # hold the stuff for one week, then mark it as out of date which will
         # cause it to be reloaded from github.
-        proxy_cache_valid 1w;
+        proxy_cache_valid any 1w;
 
         location /KiCad/ {
             rewrite /KiCad/(.+) /KiCad/$1/zip/master break;
@@ -46,7 +46,10 @@ http {
             # Skip past the redirect issued by https://github.com
             proxy_pass  https://codeload.github.com;
 
-                proxy_set_header Proxy-Connection "Keep-Alive";
+            proxy_cache_use_stale error timeout updating http_500 http_502 http_503 http_504;
+            proxy_cache_lock on;
+
+            proxy_set_header Proxy-Connection "Keep-Alive";
 
             proxy_ignore_headers "Set-Cookie";
             proxy_ignore_headers "Cache-Control";
@@ -62,3 +65,4 @@ http {
         }
     }
 }
+