diff --git a/lib/canvas/generate-image.ts b/lib/canvas/generate-image.ts
index 988592daf..20750cab9 100644
--- a/lib/canvas/generate-image.ts
+++ b/lib/canvas/generate-image.ts
@@ -2674,6 +2674,10 @@ export async function generateCanvasImage(
     console.warn("[Canvas Generate Image] Rejecting scale adjust candidate because no effective edit was detected:", {
       debugLabel,
       imageCount: scaleAdjustRejection.images.length,
+      rejectedImageUrls: scaleAdjustRejection.images.map((image) => ({
+        originalUrl: image.originalUrl,
+        thumbnailUrl: image.thumbnailUrl,
+      })),
       reason: scaleAdjustRejection.reason,
       selectedModelRef: selectedModel.model.id,
       selectedModelId: selectedModel.model.modelId,