diff --git a/dGame/dComponents/CharacterComponent.h b/dGame/dComponents/CharacterComponent.h
index bc4be664b..05e5b7f4b 100644
--- a/dGame/dComponents/CharacterComponent.h
+++ b/dGame/dComponents/CharacterComponent.h
@@ -59,6 +59,13 @@ public:
 	 */
 	void SetLastRocketConfig(std::u16string config);
 
+	/**
+	 * Keeps the rocket build the client reports (SetLastCustomBuild) as char@lcbp, without changing whether the
+	 * player lands on the next load
+	 */
+	void SetLastCustomBuild(const std::u16string& tokenizedLOTList) { m_LastRocketConfig = tokenizedLOTList; }
+	bool GetIsLanding() const { return m_IsLanding; }
+
 	/**
 	 * Find a player's rocket
 	 * @param player the entity that triggered the event
diff --git a/dGame/dGameMessages/GameMessageHandler.cpp b/dGame/dGameMessages/GameMessageHandler.cpp
index 79d18310c..b9be5e22e 100644
--- a/dGame/dGameMessages/GameMessageHandler.cpp
+++ b/dGame/dGameMessages/GameMessageHandler.cpp
@@ -194,6 +194,7 @@ namespace {
 		{ MODIFY_PLAYER_ZONE_STATISTIC, []() { return std::make_unique<ModifyPlayerZoneStatistic>(); } },
 		{ UPDATE_PLAYER_STATISTIC, []() { return std::make_unique<UpdatePlayerStatistic>(); } },
 		{ SET_TOOLTIP_FLAG, []() { return std::make_unique<SetTooltipFlag>(); } },
+		{ SET_LAST_CUSTOM_BUILD, []() { return std::make_unique<SetLastCustomBuild>(); } },
 		{ REPORT_BUG, []() { return std::make_unique<ReportBug>(); } },
 		{ VERIFY_ACK, []() { return std::make_unique<VerifyAck>(); } },
 
diff --git a/dGame/dGameMessages/PlayerMessages.cpp b/dGame/dGameMessages/PlayerMessages.cpp
index 02a43ecff..608071ce0 100644
--- a/dGame/dGameMessages/PlayerMessages.cpp
+++ b/dGame/dGameMessages/PlayerMessages.cpp
@@ -91,6 +91,20 @@ namespace GameMessages {
 		if (characterComponent) characterComponent->SetTooltipFlag(iToolTip, bFlag);
 	}
 
+	void SetLastCustomBuild::Serialize(RakNet::BitStream& bitStream) const {
+		BitStreamUtils::WriteLengthPrefixed(bitStream, tokenizedLOTList);
+	}
+
+	bool SetLastCustomBuild::Deserialize(RakNet::BitStream& bitStream) {
+		VALIDATE_READ(BitStreamUtils::ReadLengthPrefixed(bitStream, tokenizedLOTList));
+		return true;
+	}
+
+	void SetLastCustomBuild::Handle(Entity& entity, const SystemAddress& sysAddr) {
+		auto* const characterComponent = entity.GetComponent<CharacterComponent>();
+		if (characterComponent) characterComponent->SetLastCustomBuild(tokenizedLOTList);
+	}
+
 	void ToggleGMInvis::Serialize(RakNet::BitStream& bitStream) const {
 		bitStream.Write(bStateOut);
 	}
diff --git a/dGame/dGameMessages/PlayerMessages.h b/dGame/dGameMessages/PlayerMessages.h
index 038564e98..b80bb5cb9 100644
--- a/dGame/dGameMessages/PlayerMessages.h
+++ b/dGame/dGameMessages/PlayerMessages.h
@@ -79,6 +79,18 @@ namespace GameMessages {
 		int32_t iToolTip{};
 	};
 
+	// Client -> server. The client's rocket build ("1:LOT;1:LOT;1:LOT;"), sent when it assembles the rocket the
+	// player carries (at the launchpad and when landing). The client keeps it as lastUsedRocketInfo and reads it
+	// back from char@lcbp on load.
+	struct SetLastCustomBuild : public NetGameMsg {
+		SetLastCustomBuild() : NetGameMsg(MessageType::Game::SET_LAST_CUSTOM_BUILD) {}
+		void Serialize(RakNet::BitStream& bitStream) const override;
+		bool Deserialize(RakNet::BitStream& bitStream) override;
+		void Handle(Entity& entity, const SystemAddress& sysAddr) override;
+
+		std::u16string tokenizedLOTList{};
+	};
+
 	// Server -> client, broadcast.
 	struct ToggleGMInvis : public NetGameMsg {
 		ToggleGMInvis() : NetGameMsg(MessageType::Game::TOGGLE_GM_INVIS) {}
diff --git a/tests/dGameTests/dGameMessagesTests/ClientMessagesTests.cpp b/tests/dGameTests/dGameMessagesTests/ClientMessagesTests.cpp
index 1bb16e273..dd4017b86 100644
--- a/tests/dGameTests/dGameMessagesTests/ClientMessagesTests.cpp
+++ b/tests/dGameTests/dGameMessagesTests/ClientMessagesTests.cpp
@@ -67,3 +67,18 @@ TEST_F(ClientMessagesTests, SetTooltipFlagFollowsTheClient) {
 	characterComponent->SetTooltipFlag(100, false);
 	EXPECT_EQ(characterComponent->GetTooltipFlags(), 0u);
 }
+
+// SetLastCustomBuild (890): a u32-length wide string. 202 live packets, sent when the carried rocket is assembled.
+TEST_F(ClientMessagesTests, SetLastCustomBuildMatchesLiveCapture) {
+	auto msg = FromLiveClientCapture<GameMessages::SetLastCustomBuild>(std::string(PLAYER_HEADER) + "7a03" +
+		"1600000031003a00310034003400350034003b0031003a0034003700310034003b0031003a0034003700310035003b00");
+	EXPECT_EQ(msg.tokenizedLOTList, u"1:14454;1:4714;1:4715;");
+	EXPECT_EQ(RoundTrip(msg).tokenizedLOTList, msg.tokenizedLOTList);
+	ExpectTruncatedFails(msg);
+
+	// Kept as the rocket config (saved as char@lcbp) without turning on the landing
+	auto* const characterComponent = player->GetComponent<CharacterComponent>();
+	msg.Handle(*player, UNASSIGNED_SYSTEM_ADDRESS);
+	EXPECT_EQ(characterComponent->GetLastRocketConfig(), u"1:14454;1:4714;1:4715;");
+	EXPECT_FALSE(characterComponent->GetIsLanding());
+}