diff --git a/src/bp-registry/3440x1440/1.png b/src/bp-registry/3440x1440/1.png
new file mode 100755
index 00000000..71edcb8d
Binary files /dev/null and b/src/bp-registry/3440x1440/1.png differ
diff --git a/src/bp-registry/registry.json b/src/bp-registry/registry.json
index a4883861..a91104ec 100644
--- a/src/bp-registry/registry.json
+++ b/src/bp-registry/registry.json
@@ -368,6 +368,27 @@
       "bufferSize": 7
     }
   ],
+  "3440x1440": [
+    {
+      "fileName": "1.png",
+      "daemons": [
+        ["BD", "BD"],
+        ["1C", "1C"],
+        ["1C", "FF"],
+        ["FF", "1C"]
+      ],
+      "grid": [
+        "FF", "7A", "55", "FF", "55", "7A", "FF",
+        "7A", "1C", "1C", "E9", "1C", "BD", "1C",
+        "7A", "55", "1C", "1C", "E9", "1C", "7A",
+        "7A", "55", "7A", "E9", "BD", "BD", "BD",
+        "55", "1C", "FF", "E9", "1C", "1C", "FF",
+        "7A", "1C", "1C", "7A", "E9", "1C", "1C",
+        "FF", "7A", "E9", "1C", "55", "1C", "1C"
+      ],
+      "bufferSize": 8
+    }
+  ],
   "3840x2160": [
     {
       "fileName": "1.png",
diff --git a/src/core/ocr/base.ts b/src/core/ocr/base.ts
index cbeaf82c..81e031e3 100644
--- a/src/core/ocr/base.ts
+++ b/src/core/ocr/base.ts
@@ -17,6 +17,8 @@ export interface BreachProtocolFragmentBoundingBox {
   top: number;
   outerWidth: number;
   outerHeight: number;
+  innerWidth: number;
+  innerHeight: number;
 }
 
 export class BreachProtocolFragmentResult<D, S, C> {
@@ -58,7 +60,6 @@ export abstract class BreachProtocolFragment<D, S, C> {
     const { p1, p2 } = this;
     const { width, height, left, top } = this.container.getCroppedBoundingBox();
 
-    // NOTE: this does not return cropped with and height!
     return {
       left: left + Math.round(p1.x * width),
       top: top + Math.round(p1.y * height),
@@ -66,6 +67,8 @@ export abstract class BreachProtocolFragment<D, S, C> {
       height: Math.round((p2.y - p1.y) * height),
       outerWidth: width + 2 * left,
       outerHeight: height + 2 * top,
+      innerWidth: width,
+      innerHeight: height,
     } as BreachProtocolFragmentBoundingBox;
   }
 }
@@ -176,9 +179,9 @@ export abstract class BreachProtocolOCRFragment<
 
   /** Get closest treshold value for given resolution. */
   protected getThreshold() {
-    const { height } = this.container.getCroppedBoundingBox();
+    const { innerHeight } = this.boundingBox;
     const list = [...this.thresholds.keys()];
-    const value = getClosest(height, list);
+    const value = getClosest(innerHeight, list);
 
     return this.thresholds.get(value);
   }
diff --git a/src/core/ocr/buffer-size-trim.ts b/src/core/ocr/buffer-size-trim.ts
index 914202c0..dfaa519d 100644
--- a/src/core/ocr/buffer-size-trim.ts
+++ b/src/core/ocr/buffer-size-trim.ts
@@ -58,9 +58,9 @@ export class BreachProtocolBufferSizeTrimFragment<
   }
 
   private async getBufferSizeFromPixels(width: number) {
-    const { outerWidth } = this.boundingBox;
+    const { innerWidth } = this.boundingBox;
 
-    let size = width / outerWidth;
+    let size = width / innerWidth;
     let bufferSize = 0;
 
     size -= 2 * this.padding;
diff --git a/src/core/ocr/buffer-size.ts b/src/core/ocr/buffer-size.ts
index 5f096535..751ed9e3 100644
--- a/src/core/ocr/buffer-size.ts
+++ b/src/core/ocr/buffer-size.ts
@@ -172,8 +172,8 @@ export class BreachProtocolBufferSizeFragment<C> extends BreachProtocolFragment<
   }
 
   private getBufferSizeFromPixels(pixels: Buffer) {
-    const { width, outerWidth } = this.boundingBox;
-    let size = this.getSizeOfBufferBox(pixels, width) / outerWidth;
+    const { width, innerWidth } = this.boundingBox;
+    let size = this.getSizeOfBufferBox(pixels, width) / innerWidth;
     let bufferSize = 0;
 
     size -= 2 * this.padding;
diff --git a/src/core/ocr/ocr.test.ts b/src/core/ocr/ocr.test.ts
index 014f333c..d28c0331 100644
--- a/src/core/ocr/ocr.test.ts
+++ b/src/core/ocr/ocr.test.ts
@@ -17,7 +17,7 @@ interface RegistryEntry {
   bufferSize: BufferSize;
 }
 
-type Resolution = '1920x1080' | '2560x1440' | '3840x2160';
+type Resolution = '1920x1080' | '2560x1440' | '3440x1440' | '3840x2160';
 type Registry = Record<Resolution, RegistryEntry[]>;
 
 describe('image container', () => {
@@ -188,6 +188,13 @@ describe('ocr', () => {
     }
   );
 
+  it.each(getRegistryFor('3440x1440'))(
+    'should correctly ocr 3440x1440/%s',
+    async (f: string, entry: RegistryEntry) => {
+      await compareOcrToJson(entry, '3440x1440');
+    }
+  );
+
   it.each(getRegistryFor('3840x2160'))(
     'should correctly ocr 3840x2160/%s',
     async (f: string, entry: RegistryEntry) => {