diff --git a/src/lib/accountmodel.cpp b/src/lib/accountmodel.cpp
--- a/src/lib/accountmodel.cpp
+++ b/src/lib/accountmodel.cpp
@@ -149,7 +149,7 @@
             if (!file.exists()) {
                 return QIcon::fromTheme("user-identity").pixmap(size, size);
             }
-            return QPixmap(file.fileName()).scaled(size, size);
+            return QPixmap(file.fileName()).scaled(size, size, Qt::KeepAspectRatio, Qt::SmoothTransformation);
         }
         case AccountModel::RealName:
             return acc->realName();