diff --git a/server/gameserver/pbutils.cc b/server/gameserver/pbutils.cc
index 16e5d159..f75e1aaa 100644
--- a/server/gameserver/pbutils.cc
+++ b/server/gameserver/pbutils.cc
@@ -2077,6 +2077,10 @@ bool PBUtils::SupportSandTable(int proto_version)
 
 void SandTable::FillMFSandTable(cs::SMUpdate* msg, Human* hum, FrameData* framedata)
 {
+    if (room_->GetGasData().GetGasMode() != GasInactive) {
+        return;
+    }
+
     if (hum->send_msg_times <= 0) {
         return;
     }