diff --git a/docker/docker-compose/default/nginx.conf b/docker/docker-compose/default/nginx.conf
index 4e145f5b9..ff91729ac 100644
--- a/docker/docker-compose/default/nginx.conf
+++ b/docker/docker-compose/default/nginx.conf
@@ -78,7 +78,7 @@ http {
 
     # Only allow all methods (GET,POST,PUT,etc..) for root (/pgapi).
     # see https://github.com/bpatrik/pigallery2/issues/214
-    location /pgapi {
+    location /pgapi { # NOTE: no ending '/' as it would forward /pgapi to /
       proxy_pass http://pigallery2:80; # forwarding to the other container, named 'pigallery2'
       proxy_http_version 1.1;
       proxy_set_header Upgrade $http_upgrade;
diff --git a/docker/docker-compose/with-mysql/nginx.conf b/docker/docker-compose/with-mysql/nginx.conf
index 437e2931a..eaf410e5b 100644
--- a/docker/docker-compose/with-mysql/nginx.conf
+++ b/docker/docker-compose/with-mysql/nginx.conf
@@ -77,7 +77,7 @@ http {
 
     # Only allow all methods (GET,POST,PUT,etc..) for root (/pgapi).
     # see https://github.com/bpatrik/pigallery2/issues/214
-    location /pgapi {
+    location /pgapi {  # NOTE: no ending '/' as it would forward /pgapi to /
       proxy_pass http://pigallery2:80; # forwarding to the other container, named 'pigallery2'
       proxy_http_version 1.1;
       proxy_set_header Upgrade $http_upgrade;