diff --git a/src/nostalgia/modules/gfx/src/studio/tilesheeteditor/tilesheeteditormodel.cpp b/src/nostalgia/modules/gfx/src/studio/tilesheeteditor/tilesheeteditormodel.cpp
index 18b29553..5f4f99ad 100644
--- a/src/nostalgia/modules/gfx/src/studio/tilesheeteditor/tilesheeteditormodel.cpp
+++ b/src/nostalgia/modules/gfx/src/studio/tilesheeteditor/tilesheeteditormodel.cpp
@@ -198,6 +198,7 @@ void TileSheetEditorModel::endDrawCommand() noexcept {
 	if (m_ongoingDrawCommand) {
 		m_ongoingDrawCommand->finish();
 		m_ongoingDrawCommand = nullptr;
+		m_lastDrawUpdatePt = {-1, -1};
 	}
 }
 
diff --git a/src/nostalgia/modules/gfx/src/studio/tilesheeteditor/tilesheeteditormodel.hpp b/src/nostalgia/modules/gfx/src/studio/tilesheeteditor/tilesheeteditormodel.hpp
index 46633065..4f6945da 100644
--- a/src/nostalgia/modules/gfx/src/studio/tilesheeteditor/tilesheeteditormodel.hpp
+++ b/src/nostalgia/modules/gfx/src/studio/tilesheeteditor/tilesheeteditormodel.hpp
@@ -35,7 +35,7 @@ class TileSheetEditorModel: public ox::SignalHandler {
 		studio::SelectionTracker m_selTracker;
 		ox::Optional<studio::Selection> m_selection;
 		ox::Point m_lineStartPt;
-		ox::Point m_lastDrawUpdatePt;
+		ox::Point m_lastDrawUpdatePt{-1, -1};
 		bool m_updated = false;
 
 	public: