diff --git a/src/openrct2-ui/scripting/CustomListView.cpp b/src/openrct2-ui/scripting/CustomListView.cpp
index c4df956ce0..35d38a6d1e 100644
--- a/src/openrct2-ui/scripting/CustomListView.cpp
+++ b/src/openrct2-ui/scripting/CustomListView.cpp
@@ -121,14 +121,14 @@ void CustomListView::SetItems(std::vector<ListViewItem>&& items)
     SortItems(0, ColumnSortOrder::None);
 }
 
-bool CustomListView::SortItem(size_t indexA, size_t indexB, size_t column)
+bool CustomListView::SortItem(size_t indexA, size_t indexB, int32_t column)
 {
     const auto& cellA = Items[indexA].Cells[column];
     const auto& cellB = Items[indexB].Cells[column];
     return strlogicalcmp(cellA.c_str(), cellB.c_str()) < 0;
 }
 
-void CustomListView::SortItems(size_t column)
+void CustomListView::SortItems(int32_t column)
 {
     auto sortOrder = ColumnSortOrder::Ascending;
     if (CurrentSortColumn == column)
@@ -145,7 +145,7 @@ void CustomListView::SortItems(size_t column)
     SortItems(column, sortOrder);
 }
 
-void CustomListView::SortItems(size_t column, ColumnSortOrder order)
+void CustomListView::SortItems(int32_t column, ColumnSortOrder order)
 {
     // Reset the sorted index map
     SortedItems.resize(Items.size());
@@ -398,7 +398,7 @@ void CustomListView::Paint(rct_window* w, rct_drawpixelinfo* dpi, const rct_scro
         gfx_fill_rect(dpi, dpi->x, y, dpi->x + dpi->width, y + 12, bgColour);
 
         int32_t x = 0;
-        for (size_t j = 0; j < Columns.size(); j++)
+        for (int32_t j = 0; j < static_cast<int32_t>(Columns.size()); j++)
         {
             const auto& column = Columns[j];
             auto columnWidth = column.Width;
diff --git a/src/openrct2-ui/scripting/CustomListView.h b/src/openrct2-ui/scripting/CustomListView.h
index 69af8b3eaa..343dd7b88c 100644
--- a/src/openrct2-ui/scripting/CustomListView.h
+++ b/src/openrct2-ui/scripting/CustomListView.h
@@ -108,7 +108,7 @@ namespace OpenRCT2::Ui::Windows
         ScreenSize LastKnownSize;
         ScrollbarType Scrollbars = ScrollbarType::Vertical;
         ColumnSortOrder CurrentSortOrder{};
-        size_t CurrentSortColumn{};
+        int32_t CurrentSortColumn{};
         bool LastIsMouseDown{};
         bool IsMouseDown{};
         bool CanSelect{};
@@ -118,9 +118,9 @@ namespace OpenRCT2::Ui::Windows
 
         void SetItems(const std::vector<ListViewItem>& items);
         void SetItems(std::vector<ListViewItem>&& items);
-        bool SortItem(size_t indexA, size_t indexB, size_t column);
-        void SortItems(size_t column);
-        void SortItems(size_t column, ColumnSortOrder order);
+        bool SortItem(size_t indexA, size_t indexB, int32_t column);
+        void SortItems(int32_t column);
+        void SortItems(int32_t column, ColumnSortOrder order);
         void Resize(const ScreenSize& size);
         ScreenSize GetSize();
         void MouseOver(const ScreenCoordsXY& pos, bool isMouseDown);