diff --git a/mods/proxy/init.js b/mods/proxy/init.js
index b8a0639c..874f00d2 100644
--- a/mods/proxy/init.js
+++ b/mods/proxy/init.js
@@ -46,7 +46,7 @@ function proxy_post(req, res, next) {
                         res.end();
                     });
                 } else {
-                    console.log('drop proxy due to lack of host');
+                    console.log('drop proxy due to lack of host', { chunks: chunks.map(c => c.toString()) });
                 }
             });
     } else {
diff --git a/src/kiri/app/export.js b/src/kiri/app/export.js
index b1e5556f..a07cefff 100644
--- a/src/kiri/app/export.js
+++ b/src/kiri/app/export.js
@@ -284,9 +284,12 @@ function exportGCodeDialog(gcode, sections, info, names) {
                 }
                 api.show.progress(0);
                 if (start && type === 'moonraker') {
+                    const headers = { 'Content-Type': 'application/json' };
+                    if (proxy) hdr['X-Host'] = proxy;
+                    if (apik) hdr['X-Api-Key'] = apik;
                     fetch(`${host}/printer/print/start`, {
                         method: 'POST',
-                        headers: { 'Content-Type': 'application/json' },
+                        headers,
                         body: JSON.stringify({ filename })
                     })
                     .then(r => r.json())