diff --git a/app/api/canvas/local-edit/route.ts b/app/api/canvas/local-edit/route.ts
index ba0919323..e238c1341 100644
--- a/app/api/canvas/local-edit/route.ts
+++ b/app/api/canvas/local-edit/route.ts
@@ -3984,6 +3984,15 @@ async function createScaleAdjustPatchReference(params: {
     return uploadScaleAdjustPrepAsset(filename, buffer);
   };
   if (params.fullFrameReferenceOnly && structureLockAppliedRef.value) {
+    const sourceFullUploadBuffer = await sharp(sourceBuffer, { failOn: "none" })
+      .rotate()
+      .flatten({ background: "#ffffff" })
+      .jpeg({ quality: 94, mozjpeg: true })
+      .toBuffer();
+    const sourceFullUpload = await uploadScaleAdjustPrepAsset(
+      `canvas-scale-adjust-full-source-${suffix}.jpg`,
+      sourceFullUploadBuffer
+    );
     const targetDraftFullUpload = await uploadScaleAdjustPrepAsset(
       `canvas-scale-adjust-full-target-draft-${suffix}.jpg`,
       targetDraftUploadBuffer
@@ -4042,7 +4051,7 @@ async function createScaleAdjustPatchReference(params: {
       productLockFalEditMaskUrl: productLockFalEditMaskUpload?.url || null,
       productLockOverlayUrl: productLockOverlayUpload?.url || null,
       productLockProtectMaskUrl: productLockProtectMaskUpload?.url || null,
-      sourceCropUrl: sourceImageUrl || fullFrameFallbackUrl,
+      sourceCropUrl: sourceFullUpload?.url || sourceImageUrl || fullFrameFallbackUrl,
       structureLockedDraft: structureLockAppliedRef.value,
       targetDraftFullUrl: fullFrameFallbackUrl,
       targetDraftUrl: fullFrameFallbackUrl,
@@ -5695,12 +5704,12 @@ export async function POST(request: NextRequest) {
           ? useScaleAdjustProductLockComposite
             ? useScaleAdjustProductLockMaskEdit
               ? [
-                  sourceImageUrl,
+                  scaleAdjustPatchReference.sourceCropUrl,
                   ...scaleAdjustCropReferenceImageUrls,
                   ...manualRegionReferenceImageUrls,
                 ]
               : [
-                sourceImageUrl,
+                scaleAdjustPatchReference.sourceCropUrl,
                 scaleAdjustPatchReference.backgroundPlateFullUrl as string,
                 ...scaleAdjustCropReferenceImageUrls,
                 ...manualRegionReferenceImageUrls,