6 files changed, 25 insertions, 0 deletions
diff --git a/src/net/eathena/inventoryhandler.cpp b/src/net/eathena/inventoryhandler.cpp
index b9391bd31..f484afac9 100644
--- a/src/net/eathena/inventoryhandler.cpp
+++ b/src/net/eathena/inventoryhandler.cpp
@@ -614,4 +614,15 @@ void InventoryHandler::expandInventory() const
     createOutPacket(CMSG_INVENTORY_EXPAND);
 }
 
+void InventoryHandler::expandInventoryConfirm() const
+{
+    if (packetVersionMain < 20181031 &&
+        packetVersionRe < 20181031 &&
+        packetVersionZero < 20181114)
+    {
+        return;
+    }
+    createOutPacket(CMSG_INVENTORY_EXPAND_CONFIRM);
+}
+
 }  // namespace EAthena
diff --git a/src/net/eathena/inventoryhandler.h b/src/net/eathena/inventoryhandler.h
index 179402a39..3494cd6c1 100644
--- a/src/net/eathena/inventoryhandler.h
+++ b/src/net/eathena/inventoryhandler.h
@@ -84,6 +84,8 @@ class InventoryHandler final : public Ea::InventoryHandler
 
         void expandInventory() const override final;
 
+        void expandInventoryConfirm() const override final;
+
         int getProjectileSlot() const override final
         { return 10; }
 
diff --git a/src/net/eathena/packetsout.inc b/src/net/eathena/packetsout.inc
index 7ba401f84..ef2358500 100644
--- a/src/net/eathena/packetsout.inc
+++ b/src/net/eathena/packetsout.inc
@@ -345,6 +345,7 @@ packet(CMSG_ACHIEVEMENT_GET_REWARD,       0x0000,   0, nullptr);
 packet(CMSG_LOGIN_MOBILE_OTP,             0x0000,   0, nullptr);
 packet(CMSG_LOGIN_OTP_CODE,               0x0000,   0, nullptr);
 packet(CMSG_INVENTORY_EXPAND,             0x0000,   0, nullptr);
+packet(CMSG_INVENTORY_EXPAND_CONFIRM,     0x0000,   0, nullptr);
 #else
 // 20040713
 if (packetVersion >= 20040713)
@@ -1469,12 +1470,14 @@ if (packetVersionRe >= 20180718)
 if (packetVersionMain >= 20181031)
 {
     packet(CMSG_INVENTORY_EXPAND,         0x0b14,   2, clif->pInventoryExpansion);
+    packet(CMSG_INVENTORY_EXPAND_CONFIRM, 0x0b16,   2, clif->pInventoryExpansionConfirm);
 }
 
 // 20181031 re
 if (packetVersionRe >= 20181031)
 {
     packet(CMSG_INVENTORY_EXPAND,         0x0b14,   2, clif->pInventoryExpansion);
+    packet(CMSG_INVENTORY_EXPAND_CONFIRM, 0x0b16,   2, clif->pInventoryExpansionConfirm);
 }
 
 // 20181114 main
@@ -1495,6 +1498,7 @@ if (packetVersionRe >= 20181114)
 if (packetVersionZero >= 20181114)
 {
     packet(CMSG_INVENTORY_EXPAND,         0x0b14,   2, clif->pInventoryExpansion);
+    packet(CMSG_INVENTORY_EXPAND_CONFIRM, 0x0b16,   2, clif->pInventoryExpansionConfirm);
 }
 
 #endif
diff --git a/src/net/inventoryhandler.h b/src/net/inventoryhandler.h
index 18e4d3eed..3fa58f93f 100644
--- a/src/net/inventoryhandler.h
+++ b/src/net/inventoryhandler.h
@@ -107,6 +107,8 @@ class InventoryHandler notfinal
         virtual void mergetItemsCancel() const = 0;
 
         virtual void expandInventory() const = 0;
+
+        virtual void expandInventoryConfirm() const = 0;
 };
 
 }  // namespace Net
diff --git a/src/net/tmwa/inventoryhandler.cpp b/src/net/tmwa/inventoryhandler.cpp
index ee60e399c..3f5e93d75 100644
--- a/src/net/tmwa/inventoryhandler.cpp
+++ b/src/net/tmwa/inventoryhandler.cpp
@@ -197,4 +197,8 @@ void InventoryHandler::expandInventory() const
 {
 }
 
+void InventoryHandler::expandInventoryConfirm() const
+{
+}
+
 }  // namespace TmwAthena
diff --git a/src/net/tmwa/inventoryhandler.h b/src/net/tmwa/inventoryhandler.h
index a7e5a4b30..5dfa2d230 100644
--- a/src/net/tmwa/inventoryhandler.h
+++ b/src/net/tmwa/inventoryhandler.h
@@ -81,6 +81,8 @@ class InventoryHandler final : public Ea::InventoryHandler
 
         void expandInventory() const override final;
 
+        void expandInventoryConfirm() const override final;
+
         int getProjectileSlot() const override final
         { return 10; }