1 files changed, 1 insertions, 1 deletions

diff --git a/ltests.c b/ltests.c
index 42fbc64e..0785fa7b 100644
--- a/ltests.c
+++ b/ltests.c
@@ -387,7 +387,7 @@ static int doonnewstack (lua_State *L) {
 
 
 static int s2d (lua_State *L) {
-  lua_pushnumber(L, *cast(double *, luaL_check_string(L, 1)));
+  lua_pushnumber(L, *cast(const double *, luaL_check_string(L, 1)));
   return 1;
 }