diff --git a/invokeai/frontend/web/src/features/nodes/util/graphBuilders/buildCanvasOutpaintGraph.ts b/invokeai/frontend/web/src/features/nodes/util/graphBuilders/buildCanvasOutpaintGraph.ts
index 587ede0350..a949c88e5f 100644
--- a/invokeai/frontend/web/src/features/nodes/util/graphBuilders/buildCanvasOutpaintGraph.ts
+++ b/invokeai/frontend/web/src/features/nodes/util/graphBuilders/buildCanvasOutpaintGraph.ts
@@ -43,6 +43,8 @@ import {
   RANGE_OF_SIZE,
   SEAM_FIX_DENOISE_LATENTS,
   SEAM_MASK_COMBINE,
+  SEAM_MASK_RESIZE_DOWN,
+  SEAM_MASK_RESIZE_UP,
 } from './constants';
 
 /**
@@ -461,6 +463,13 @@ export const buildCanvasOutpaintGraph = (
       width: scaledWidth,
       height: scaledHeight,
     };
+    graph.nodes[SEAM_MASK_RESIZE_UP] = {
+      type: 'img_resize',
+      id: SEAM_MASK_RESIZE_UP,
+      is_intermediate: true,
+      width: scaledWidth,
+      height: scaledHeight,
+    };
     graph.nodes[INPAINT_IMAGE_RESIZE_DOWN] = {
       type: 'img_resize',
       id: INPAINT_IMAGE_RESIZE_DOWN,
@@ -482,6 +491,13 @@ export const buildCanvasOutpaintGraph = (
       width: width,
       height: height,
     };
+    graph.nodes[SEAM_MASK_RESIZE_DOWN] = {
+      type: 'img_resize',
+      id: SEAM_MASK_RESIZE_DOWN,
+      is_intermediate: true,
+      width: width,
+      height: height,
+    };
 
     graph.nodes[NOISE] = {
       ...(graph.nodes[NOISE] as NoiseInvocation),
@@ -523,6 +539,57 @@ export const buildCanvasOutpaintGraph = (
           field: 'image',
         },
       },
+      // Seam Paint Mask
+      {
+        source: {
+          node_id: MASK_FROM_ALPHA,
+          field: 'image',
+        },
+        destination: {
+          node_id: MASK_EDGE,
+          field: 'image',
+        },
+      },
+      {
+        source: {
+          node_id: MASK_EDGE,
+          field: 'image',
+        },
+        destination: {
+          node_id: SEAM_MASK_RESIZE_UP,
+          field: 'image',
+        },
+      },
+      {
+        source: {
+          node_id: SEAM_MASK_RESIZE_UP,
+          field: 'image',
+        },
+        destination: {
+          node_id: SEAM_FIX_DENOISE_LATENTS,
+          field: 'mask',
+        },
+      },
+      {
+        source: {
+          node_id: MASK_BLUR,
+          field: 'image',
+        },
+        destination: {
+          node_id: SEAM_MASK_COMBINE,
+          field: 'mask1',
+        },
+      },
+      {
+        source: {
+          node_id: SEAM_MASK_RESIZE_UP,
+          field: 'image',
+        },
+        destination: {
+          node_id: SEAM_MASK_COMBINE,
+          field: 'mask2',
+        },
+      },
       // Resize Results Down
       {
         source: {
@@ -536,7 +603,7 @@ export const buildCanvasOutpaintGraph = (
       },
       {
         source: {
-          node_id: MASK_BLUR,
+          node_id: MASK_RESIZE_UP,
           field: 'image',
         },
         destination: {
@@ -544,6 +611,16 @@ export const buildCanvasOutpaintGraph = (
           field: 'image',
         },
       },
+      {
+        source: {
+          node_id: SEAM_MASK_COMBINE,
+          field: 'image',
+        },
+        destination: {
+          node_id: SEAM_MASK_RESIZE_DOWN,
+          field: 'image',
+        },
+      },
       {
         source: {
           node_id: INPAINT_INFILL,
@@ -577,7 +654,7 @@ export const buildCanvasOutpaintGraph = (
       },
       {
         source: {
-          node_id: MASK_RESIZE_DOWN,
+          node_id: SEAM_MASK_RESIZE_DOWN,
           field: 'image',
         },
         destination: {
@@ -608,7 +685,7 @@ export const buildCanvasOutpaintGraph = (
       },
       {
         source: {
-          node_id: MASK_RESIZE_DOWN,
+          node_id: SEAM_MASK_RESIZE_DOWN,
           field: 'image',
         },
         destination: {
diff --git a/invokeai/frontend/web/src/features/nodes/util/graphBuilders/constants.ts b/invokeai/frontend/web/src/features/nodes/util/graphBuilders/constants.ts
index 48d759a6e3..1f6acd4e26 100644
--- a/invokeai/frontend/web/src/features/nodes/util/graphBuilders/constants.ts
+++ b/invokeai/frontend/web/src/features/nodes/util/graphBuilders/constants.ts
@@ -31,6 +31,8 @@ export const MASK_EDGE = 'mask_edge';
 export const MASK_BLUR = 'mask_blur';
 export const MASK_COMBINE = 'mask_combine';
 export const SEAM_MASK_COMBINE = 'seam_mask_combine';
+export const SEAM_MASK_RESIZE_UP = 'seam_mask_resize_up';
+export const SEAM_MASK_RESIZE_DOWN = 'seam_mask_resize_down';
 export const MASK_RESIZE_UP = 'mask_resize_up';
 export const MASK_RESIZE_DOWN = 'mask_resize_down';
 export const COLOR_CORRECT = 'color_correct';