diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9e2c67f9..101c8d6e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -37,6 +37,10 @@ and this project adheres to
 - 🐛(backend) refactor lobby throttling to use participant id #1129
 - 🩹(backend) ignore non-recording uploads in storage webhook handler #1142
 
+### Fixed
+
+- 🐛(frontend) fix dimension mismatch in BackgroundCustomProcessor getImageData #1116
+
 ## [1.10.0] - 2026-03-05
 
 ### Changed
diff --git a/src/frontend/src/features/rooms/livekit/components/blur/BackgroundCustomProcessor.ts b/src/frontend/src/features/rooms/livekit/components/blur/BackgroundCustomProcessor.ts
index fdc9fdb2..4b1e1ce1 100644
--- a/src/frontend/src/features/rooms/livekit/components/blur/BackgroundCustomProcessor.ts
+++ b/src/frontend/src/features/rooms/livekit/components/blur/BackgroundCustomProcessor.ts
@@ -187,7 +187,7 @@ export class BackgroundCustomProcessor implements BackgroundProcessorInterface {
       0,
       0,
       PROCESSING_WIDTH,
-      PROCESSING_WIDTH
+      PROCESSING_HEIGHT
     )
   }