diff --git a/polymer/eduke32/source/lunatic/bcheck.lua b/polymer/eduke32/source/lunatic/bcheck.lua
index 41f07fd50..41471a7ab 100644
--- a/polymer/eduke32/source/lunatic/bcheck.lua
+++ b/polymer/eduke32/source/lunatic/bcheck.lua
@@ -64,13 +64,13 @@ end
 
 function bcheck.volume_idx(volume)
     if (volume >= con_lang.MAXVOLUMES+0ULL) then
-        error("invalid volume number "..volume)
+        error("invalid volume number "..volume, 3)
     end
 end
 
 function bcheck.level_idx(level)
     if (level >= con_lang.MAXLEVELS+0ULL) then
-        error("invalid level number "..level)
+        error("invalid level number "..level, 3)
     end
 end
 
diff --git a/polymer/eduke32/source/lunatic/defs.ilua b/polymer/eduke32/source/lunatic/defs.ilua
index dc1d47543..ac71f25b7 100644
--- a/polymer/eduke32/source/lunatic/defs.ilua
+++ b/polymer/eduke32/source/lunatic/defs.ilua
@@ -711,7 +711,7 @@ end
 
 local player_static_members = {}
 
-player_static_members.INPUT_BITS = defs_c.conststruct
+player_static_members._INPUT_BITS = defs_c.conststruct
 {
     JUMP =                      1,
     CROUCH =                    2,
@@ -744,7 +744,7 @@ player_static_members.INPUT_BITS = defs_c.conststruct
     ESC =              2147483648,
 }
 
-player_static_members.INPUT_EXT_BITS = defs_c.conststruct
+player_static_members._INPUT_EXT_BITS = defs_c.conststruct
 {
     MOVE_FORWARD =  1,
     MOVE_BACKWARD = 2,
@@ -905,8 +905,8 @@ local actor_mt = {
         end,
 
         -- count
-        set_count = function(a)
-            ffi.cast(actor_ptr_ct, a).t_data[0] = 0
+        set_count = function(a, count)
+            ffi.cast(actor_ptr_ct, a).t_data[0] = count
         end,
 
         get_count = function(a)
@@ -1183,8 +1183,10 @@ local user_defs_mt = {
         end,
 
         set_volume_number = function(ud, volume_number)
-            -- NOTE: volume_number==MAXVOLUMES disallowed.
-            bcheck.volume_idx(volume_number)
+            -- NOTE: allow volume_number==MAXVOLUMES.
+            if (not (volume_number==con_lang.MAXVOLUMES)) then
+                bcheck.volume_idx(volume_number)
+            end
             ud.volume_number = volume_number
         end,
 
diff --git a/polymer/eduke32/source/lunatic/test.elua b/polymer/eduke32/source/lunatic/test.elua
index 7435860b1..41a79b89e 100644
--- a/polymer/eduke32/source/lunatic/test.elua
+++ b/polymer/eduke32/source/lunatic/test.elua
@@ -192,7 +192,7 @@ gameevent("PROCESSINPUT",
           -- Input test.
           -- NOTE: I don't think that exposing g_player[].sync (aka "input") is a good idea...
           function(actori, playeri, dist)
-              local IB = player.INPUT_BITS
+              local IB = player._INPUT_BITS
               local input = player[playeri]._input
               if (bit.band(input.bits, IB.JUMP) ~= 0) then
                   print("JUMPED")