diff --git a/src/game/AuctionHouseHandler.cpp b/src/game/AuctionHouseHandler.cpp
index e99911d2f..c97c0a643 100644
--- a/src/game/AuctionHouseHandler.cpp
+++ b/src/game/AuctionHouseHandler.cpp
@@ -451,14 +451,23 @@ void WorldSession::HandleAuctionPlaceBid(WorldPacket & recv_data)
     }
 
     // cheating
-    if (price <= auction->bid || price < auction->startbid)
+    if (price < auction->startbid)
         return;
 
+    // cheating or client lags
+    if (price <= auction->bid)
+    {
+        // client test but possible in result lags
+        SendAuctionCommandResult(auction, AUCTION_BID_PLACED, AUCTION_ERR_HIGHER_BID);
+        return;
+    }
+
     // price too low for next bid if not buyout
     if ((price < auction->buyout || auction->buyout == 0) &&
         price < auction->bid + auction->GetAuctionOutBid())
     {
-        // auction has already higher bid, client tests it!
+        // client test but possible in result lags
+        SendAuctionCommandResult(auction, AUCTION_BID_PLACED, AUCTION_ERR_BID_INCREMENT);
         return;
     }
 
diff --git a/src/shared/revision_nr.h b/src/shared/revision_nr.h
index faff94266..4a3515ef0 100644
--- a/src/shared/revision_nr.h
+++ b/src/shared/revision_nr.h
@@ -1,4 +1,4 @@
 #ifndef __REVISION_NR_H__
 #define __REVISION_NR_H__
- #define REVISION_NR "11414"
+ #define REVISION_NR "11415"
 #endif // __REVISION_NR_H__