diff --git a/src/nostalgia/core/studio/tilesheeteditormodel.cpp b/src/nostalgia/core/studio/tilesheeteditormodel.cpp
index cf4e31a0..11afdc84 100644
--- a/src/nostalgia/core/studio/tilesheeteditormodel.cpp
+++ b/src/nostalgia/core/studio/tilesheeteditormodel.cpp
@@ -490,6 +490,11 @@ void TileSheetEditorModel::select(const geo::Point &pt) noexcept {
 
 void TileSheetEditorModel::completeSelection() noexcept {
 	m_selectionOngoing = false;
+	auto s = activeSubSheet();
+	auto pt = m_selectionBounds.pt2();
+	pt.x = ox::min(s->columns * TileWidth, pt.x);
+	pt.y = ox::min(s->rows * TileHeight, pt.y);
+	m_selectionBounds.setPt2(pt);
 }
 
 void TileSheetEditorModel::clearSelection() noexcept {