diff --git a/src/game/game_handler.cpp b/src/game/game_handler.cpp
index f6b30fb7..7f0d0174 100644
--- a/src/game/game_handler.cpp
+++ b/src/game/game_handler.cpp
@@ -838,9 +838,22 @@ void GameHandler::handlePacket(network::Packet& packet) {
             break;
         case Opcode::SMSG_QUESTGIVER_QUEST_COMPLETE: {
             // Mark quest as complete in local log
+            size_t packetSize = packet.getSize();
+            size_t readPos = packet.getReadPos();
+            LOG_INFO("SMSG_QUESTGIVER_QUEST_COMPLETE: size=", packetSize, " readPos=", readPos);
+
+            // Dump packet hex for debugging
+            std::string hexDump;
+            for (size_t i = readPos; i < std::min(readPos + 32, packetSize); ++i) {
+                char buf[4];
+                snprintf(buf, sizeof(buf), "%02x ", static_cast<uint8_t>(packet.getData()[i]));
+                hexDump += buf;
+            }
+            LOG_INFO("  Packet hex: ", hexDump);
+
             if (packet.getSize() - packet.getReadPos() >= 4) {
                 uint32_t questId = packet.readUInt32();
-                LOG_INFO("Quest completed: questId=", questId);
+                LOG_INFO("  Read questId: ", questId);
                 for (auto it = questLog_.begin(); it != questLog_.end(); ++it) {
                     if (it->questId == questId) {
                         questLog_.erase(it);