diff --git a/source/sw/src/game.cpp b/source/sw/src/game.cpp
index c32d63e0e..213ef2113 100644
--- a/source/sw/src/game.cpp
+++ b/source/sw/src/game.cpp
@@ -4299,6 +4299,14 @@ void getinput(SW_PACKET *loc)
         SET(loc->bits, prev_weapon + 1);
     }
 
+    if (buttonMap.ButtonDown(gamefunc_Alt_Weapon_Mode))
+    {
+        buttonMap.ClearButton(gamefunc_Alt_Weapon_Mode);
+        USERp u = User[pp->PlayerSprite];
+        short const which_weapon = u->WeaponNum + 1;
+        SET(loc->bits, which_weapon);
+    }
+
     inv_hotkey = 0;
     if (buttonMap.ButtonDown(gamefunc_Med_Kit))
         inv_hotkey = INVENTORY_MEDKIT+1;