diff --git a/wallpapers/image/slidefiltermodel.cpp b/wallpapers/image/slidefiltermodel.cpp
--- a/wallpapers/image/slidefiltermodel.cpp
+++ b/wallpapers/image/slidefiltermodel.cpp
@@ -59,6 +59,7 @@
             const int old_count = m_randomOrder.size();
             m_randomOrder.resize(this->sourceModel()->rowCount());
             std::iota(m_randomOrder.begin() + old_count, m_randomOrder.end(), old_count);
+            std::random_shuffle(m_randomOrder.begin() + old_count, m_randomOrder.end());
         });
         connect(sourceModel, &QAbstractItemModel::rowsRemoved, this, [this] {
             if (m_SortingMode !=  Image::Random || m_usedInConfig) {