diff --git a/components/pages/work-flow/media-viewer.tsx b/components/pages/work-flow/media-viewer.tsx
index eb424d1..6c7f6c9 100644
--- a/components/pages/work-flow/media-viewer.tsx
+++ b/components/pages/work-flow/media-viewer.tsx
@@ -93,6 +93,7 @@ export function MediaViewer({
               autoPlay
               loop
               playsInline
+              muted
             />
           </motion.div>
           
diff --git a/components/pages/work-flow/thumbnail-grid.tsx b/components/pages/work-flow/thumbnail-grid.tsx
index 88dd914..df6868e 100644
--- a/components/pages/work-flow/thumbnail-grid.tsx
+++ b/components/pages/work-flow/thumbnail-grid.tsx
@@ -231,6 +231,7 @@ export function ThumbnailGrid({
                       src={taskVideos[index].url}
                       playsInline
                       loop
+                      muted
                       poster={sketch.url}
                     />
                   </div>
@@ -243,6 +244,7 @@ export function ThumbnailGrid({
                     src={taskVideos[index].url}
                     playsInline
                     loop
+                    muted
                     poster={sketch.url}
                   />
                 </div>