diff --git a/gui/src/client.ts b/gui/src/client.ts
index 420499f8..dab51f22 100644
--- a/gui/src/client.ts
+++ b/gui/src/client.ts
@@ -297,11 +297,15 @@ export function appendModelToURL(url: URL, params: ModelParams) {
  * Append the upscale parameters to an existing URL.
  */
 export function appendUpscaleToURL(url: URL, upscale: UpscaleParams) {
-  if (upscale.enabled || upscale.faces) {
+  url.searchParams.append('outscale', upscale.outscale.toFixed(FIXED_INTEGER));
+
+  if (upscale.enabled) {
     url.searchParams.append('denoise', upscale.denoise.toFixed(FIXED_FLOAT));
-    url.searchParams.append('faces', String(upscale.faces));
     url.searchParams.append('scale', upscale.scale.toFixed(FIXED_INTEGER));
-    url.searchParams.append('outscale', upscale.outscale.toFixed(FIXED_INTEGER));
+  }
+
+  if (upscale.faces) {
+    url.searchParams.append('faces', String(upscale.faces));
     url.searchParams.append('faceStrength', upscale.faceStrength.toFixed(FIXED_FLOAT));
   }
 }
diff --git a/gui/src/components/control/UpscaleControl.tsx b/gui/src/components/control/UpscaleControl.tsx
index b3fb75d3..0a3c28cd 100644
--- a/gui/src/components/control/UpscaleControl.tsx
+++ b/gui/src/components/control/UpscaleControl.tsx
@@ -42,7 +42,7 @@ export function UpscaleControl() {
     />
     <NumericField
       label='Outscale'
-      disabled={upscale.enabled === false}
+      disabled={upscale.enabled === false && upscale.faces === false}
       min={params.outscale.min}
       max={params.outscale.max}
       step={params.outscale.step}