1 files changed, 3 insertions, 0 deletions

diff --git a/bragi.nix b/bragi.nix
index a464166c..e819aa3c 100644
--- a/bragi.nix
+++ b/bragi.nix
@@ -375,6 +375,9 @@ in rec {
 
         location /thermoprint/api/ {
           proxy_pass http://localhost:8080/;
+          proxy_http_version 1.1;
+          proxy_set_header Upgrade $http_upgrade;
+          proxy_set_header Connection "upgrade";
         }
 
         location /thermoprint/ {