diff --git a/invokeai/frontend/web/src/features/nodes/util/graphBuilders/buildCanvasSDXLInpaintGraph.ts b/invokeai/frontend/web/src/features/nodes/util/graphBuilders/buildCanvasSDXLInpaintGraph.ts
index 7d8586d09c..f38ed00bf4 100644
--- a/invokeai/frontend/web/src/features/nodes/util/graphBuilders/buildCanvasSDXLInpaintGraph.ts
+++ b/invokeai/frontend/web/src/features/nodes/util/graphBuilders/buildCanvasSDXLInpaintGraph.ts
@@ -136,7 +136,9 @@ export const buildCanvasSDXLInpaintGraph = (
         steps: steps,
         cfg_scale: cfg_scale,
         scheduler: scheduler,
-        denoising_start: 1 - strength,
+        denoising_start: shouldUseSDXLRefiner
+          ? Math.min(refinerStart, 1 - strength)
+          : 1 - strength,
         denoising_end: shouldUseSDXLRefiner ? refinerStart : 1,
       },
       [LATENTS_TO_IMAGE]: {
diff --git a/invokeai/frontend/web/src/features/nodes/util/graphBuilders/buildCanvasSDXLOutpaintGraph.ts b/invokeai/frontend/web/src/features/nodes/util/graphBuilders/buildCanvasSDXLOutpaintGraph.ts
index b5260894c4..d7904de4f9 100644
--- a/invokeai/frontend/web/src/features/nodes/util/graphBuilders/buildCanvasSDXLOutpaintGraph.ts
+++ b/invokeai/frontend/web/src/features/nodes/util/graphBuilders/buildCanvasSDXLOutpaintGraph.ts
@@ -162,7 +162,9 @@ export const buildCanvasSDXLOutpaintGraph = (
         steps: steps,
         cfg_scale: cfg_scale,
         scheduler: scheduler,
-        denoising_start: 1 - strength,
+        denoising_start: shouldUseSDXLRefiner
+          ? Math.min(refinerStart, 1 - strength)
+          : 1 - strength,
         denoising_end: shouldUseSDXLRefiner ? refinerStart : 1,
       },
       [LATENTS_TO_IMAGE]: {