diff --git a/src/widgets/room/delegate/messagelistdelegate.cpp b/src/widgets/room/delegate/messagelistdelegate.cpp
--- a/src/widgets/room/delegate/messagelistdelegate.cpp
+++ b/src/widgets/room/delegate/messagelistdelegate.cpp
@@ -112,7 +112,7 @@
             qCWarning(RUQOLAWIDGETS_LOG) << "Could not load" << iconUrl.toLocalFile();
             return {};
         }
-        downScaled = fullScale.scaledToHeight(maxHeight * dpr);
+        downScaled = fullScale.scaledToHeight(maxHeight * dpr, Qt::SmoothTransformation);
         downScaled.setDevicePixelRatio(dpr);
         cache.insertCachedPixmap(iconUrlStr, downScaled);
     }