diff --git a/gui/src/client.ts b/gui/src/client.ts
index dab51f22..9b7930ff 100644
--- a/gui/src/client.ts
+++ b/gui/src/client.ts
@@ -297,8 +297,6 @@ export function appendModelToURL(url: URL, params: ModelParams) {
  * Append the upscale parameters to an existing URL.
  */
 export function appendUpscaleToURL(url: URL, upscale: UpscaleParams) {
-  url.searchParams.append('outscale', upscale.outscale.toFixed(FIXED_INTEGER));
-
   if (upscale.enabled) {
     url.searchParams.append('denoise', upscale.denoise.toFixed(FIXED_FLOAT));
     url.searchParams.append('scale', upscale.scale.toFixed(FIXED_INTEGER));
@@ -308,6 +306,10 @@ export function appendUpscaleToURL(url: URL, upscale: UpscaleParams) {
     url.searchParams.append('faces', String(upscale.faces));
     url.searchParams.append('faceStrength', upscale.faceStrength.toFixed(FIXED_FLOAT));
   }
+
+  if (upscale.enabled || upscale.faces) {
+    url.searchParams.append('outscale', upscale.outscale.toFixed(FIXED_INTEGER));
+  }
 }
 
 /**