diff --git a/polymer/eduke32/source/lunatic/dynsymlist b/polymer/eduke32/source/lunatic/dynsymlist
index 9c4b84c3c..0825a7140 100644
--- a/polymer/eduke32/source/lunatic/dynsymlist
+++ b/polymer/eduke32/source/lunatic/dynsymlist
@@ -38,7 +38,8 @@ actor;
 ud;
 g_player;
 
-luaJIT_BC_*;
+luaJIT_BC_lunacon;
+luaJIT_BC_con_lang;
 
 gethitickms;
 };
diff --git a/polymer/eduke32/source/lunatic/lunacon.lua b/polymer/eduke32/source/lunatic/lunacon.lua
index db71d2917..ca367c411 100644
--- a/polymer/eduke32/source/lunatic/lunacon.lua
+++ b/polymer/eduke32/source/lunatic/lunacon.lua
@@ -129,7 +129,7 @@ local function parse_number(pos, numstr)
         num = NaN
     elseif (num >= 0x80000000 and numstr:sub(1,2):lower()~="0x") then
         pwarnprintf(pos, "number %s converted to a negative one", numstr)
-        num = num-0x100000000
+        num = num-(0xffffffff+1)
     end
 
     return num
diff --git a/polymer/eduke32/source/lunatic/test.elua b/polymer/eduke32/source/lunatic/test.elua
index 5c1b4ba12..cfa2823a2 100644
--- a/polymer/eduke32/source/lunatic/test.elua
+++ b/polymer/eduke32/source/lunatic/test.elua
@@ -204,6 +204,7 @@ gameevent(gv.EVENT_ENTERLEVEL,
               t = gv.gethitickms()-t
 
               -- x86_64: 40ns/call, x86: 290 ns/call
+              -- Windows 32-bit: about 1 us/call
               printf("%d gethitickms() calls took %.03f ms (%.03f us/call)",
                      N, t, (t*1000)/N)