diff --git a/client/src/pm3_bitlib.c b/client/src/pm3_bitlib.c
index e6d0022f7..84510b25f 100644
--- a/client/src/pm3_bitlib.c
+++ b/client/src/pm3_bitlib.c
@@ -56,7 +56,6 @@ typedef size_t lua_UInteger;
 
 /* Define TOBIT to get a bit value */
 #ifdef BUILTIN_CAST
-#define
 #define TOBIT(L, n, res)                    \
     ((void)(res), luaL_checkinteger((L), (n)))
 #else