diff --git a/src/jasper/modules/world/src/studio/worldobjectseteditor/commands/rmpalette.cpp b/src/jasper/modules/world/src/studio/worldobjectseteditor/commands/rmpalette.cpp
index 812628d..657beeb 100644
--- a/src/jasper/modules/world/src/studio/worldobjectseteditor/commands/rmpalette.cpp
+++ b/src/jasper/modules/world/src/studio/worldobjectseteditor/commands/rmpalette.cpp
@@ -9,14 +9,30 @@
 
 namespace jasper::world {
 
-RmPalette::RmPalette(WorldObjectSet &doc, size_t rmIdx) noexcept:
+RmPalette::RmPalette(WorldObjectSet &doc, size_t const rmIdx) noexcept:
 		m_doc(doc),
 		m_rmIdx(rmIdx) {
+	m_objUpdates.reserve(m_doc.objects.size());
+	for (size_t i = 0; auto const&obj : m_doc.objects) {
+		if (obj.palBank >= m_rmIdx) {
+			auto const newPalBank = static_cast<uint16_t>(obj.palBank == m_rmIdx ?
+				0 : obj.palBank - 1);
+			m_objUpdates.emplace_back(ObjUpdate{
+				.idx = i,
+				.oldPalBank = obj.palBank,
+				.newPalBank = newPalBank,
+			});
+		}
+		++i;
+	}
 }
 
 ox::Error RmPalette::redo() noexcept {
 	m_pal = std::move(m_doc.palettes[m_rmIdx]);
 	std::ignore = m_doc.palettes.erase(m_rmIdx);
+	for (auto const&u : m_objUpdates) {
+		m_doc.objects[u.idx].palBank = u.newPalBank;
+	}
 	return {};
 }
 
@@ -26,6 +42,9 @@ ox::Error RmPalette::undo() noexcept {
 		[](ox::FileAddress const&a, ox::FileAddress const&b) {
 			return a.getPath().or_value("") < b.getPath().or_value("");
 		});
+	for (auto const&u : m_objUpdates) {
+		m_doc.objects[u.idx].palBank = u.oldPalBank;
+	}
 	return {};
 }
 
diff --git a/src/jasper/modules/world/src/studio/worldobjectseteditor/commands/rmpalette.hpp b/src/jasper/modules/world/src/studio/worldobjectseteditor/commands/rmpalette.hpp
index 2ef1c34..4b9c5b9 100644
--- a/src/jasper/modules/world/src/studio/worldobjectseteditor/commands/rmpalette.hpp
+++ b/src/jasper/modules/world/src/studio/worldobjectseteditor/commands/rmpalette.hpp
@@ -17,6 +17,12 @@ class RmPalette: public studio::UndoCommand {
 		WorldObjectSet &m_doc;
 		ox::FileAddress m_pal;
 		size_t const m_rmIdx = 0;
+		struct ObjUpdate {
+			size_t idx{};
+			uint16_t oldPalBank{};
+			uint16_t newPalBank{};
+		};
+		ox::Vector<ObjUpdate> m_objUpdates;
 	public:
 		RmPalette(WorldObjectSet &doc, size_t rmIdx) noexcept;
 		ox::Error redo() noexcept override;