diff --git a/stepmania/src/lua-5.1/src/lparser.c b/stepmania/src/lua-5.1/src/lparser.c
index 4aef71702d..6edcb6a2e4 100644
--- a/stepmania/src/lua-5.1/src/lparser.c
+++ b/stepmania/src/lua-5.1/src/lparser.c
@@ -361,7 +361,7 @@ static void close_func (LexState *ls) {
   luaK_ret(fs, 0, 0);  /* final return */
   luaM_reallocvector(L, f->code, f->sizecode, fs->pc, Instruction);
   f->sizecode = fs->pc;
-  luaM_reallocvector(L, f->lineinfo, f->sizelineinfo, fs->pc, int);
+  luaM_reallocvector(L, f->lineinfo, f->sizelineinfo, fs->pc, uint32_t);
   f->sizelineinfo = fs->pc;
   luaM_reallocvector(L, f->k, f->sizek, fs->nk, TValue);
   f->sizek = fs->nk;