diff -r 18941b52c8d7 -r 5ef6780b1c05 hedgewars/uWorld.pas
--- a/hedgewars/uWorld.pas	Wed Oct 18 02:17:03 2017 +0200
+++ b/hedgewars/uWorld.pas	Wed Oct 18 03:19:43 2017 +0200
@@ -424,7 +424,7 @@
 
     SlotsNum:= 0;
     for i:= 0 to cMaxSlotIndex do
-        if((i = 0) and (Ammo^[i,1].Count > 0)) or ((i <> 0) and (Ammo^[i,0].Count > 0)) then
+        if((i = 0) and (Ammo^[i,1].Count > 0)) or ((i <> 0) and (i <> cHiddenSlotIndex) and (Ammo^[i,0].Count > 0)) then
             inc(SlotsNum);
 {$IFDEF USE_LANDSCAPE_AMMOMENU}
     SlotsNumX:= SlotsNum;
@@ -455,7 +455,7 @@
     x:= AMRect.x;
     y:= AMRect.y;
     for i:= 0 to cMaxSlotIndex do
-        if ((i = 0) and (Ammo^[i, 1].Count > 0)) or ((i <> 0) and (Ammo^[i, 0].Count > 0)) then
+        if ((i = 0) and (Ammo^[i, 1].Count > 0)) or ((i <> 0) and (i <> cHiddenSlotIndex) and (Ammo^[i, 0].Count > 0)) then
             begin
 {$IFDEF USE_LANDSCAPE_AMMOMENU}
             y:= AMRect.y;
@@ -662,7 +662,7 @@
 {$IFDEF USE_LANDSCAPE_AMMOMENU}
 c:= -1;
     for i:= 0 to cMaxSlotIndex do
-        if ((i = 0) and (Ammo^[i, 1].Count > 0)) or ((i <> 0) and (Ammo^[i, 0].Count > 0)) then
+        if ((i = 0) and (Ammo^[i, 1].Count > 0)) or ((i <> 0) and (i <> cHiddenSlotIndex) and (Ammo^[i, 0].Count > 0)) then
             begin
             inc(c);
     {$IFDEF USE_AM_NUMCOLUMN}
@@ -692,7 +692,7 @@
 {$ELSE}
 c:= -1;
     for i:= 0 to cMaxSlotIndex do
-        if ((i = 0) and (Ammo^[i, 1].Count > 0)) or ((i <> 0) and (Ammo^[i, 0].Count > 0)) then
+        if ((i = 0) and (Ammo^[i, 1].Count > 0)) or ((i <> 0) and (i <> cHiddenSlotIndex) and (Ammo^[i, 0].Count > 0)) then
             begin
             inc(c);
     {$IFDEF USE_AM_NUMCOLUMN}
@@ -720,7 +720,7 @@
                    end;
             end;
 {$ENDIF}
-    if (Pos >= 0) and (Pos <= cMaxSlotAmmoIndex) and (Slot >= 0) and (Slot <= cMaxSlotIndex)then
+    if (Pos >= 0) and (Pos <= cMaxSlotAmmoIndex) and (Slot >= 0) and (Slot <= cMaxSlotIndex) and (Slot <> cHiddenSlotIndex) then
         begin
         if (AMShiftX = 0) and (AMShiftY = 0) then
         if (Ammo^[Slot, Pos].Count > 0) and (Ammo^[Slot, Pos].AmmoType <> amNothing) then