diff --git a/luabind/operator.hpp b/luabind/operator.hpp
index c15a69e5..362b2408 100755
--- a/luabind/operator.hpp
+++ b/luabind/operator.hpp
@@ -288,6 +288,7 @@ namespace luabind {
     LUABIND_BINARY_OPERATOR(sub, -)
     LUABIND_BINARY_OPERATOR(mul, *)
     LUABIND_BINARY_OPERATOR(div, /)
+    LUABIND_BINARY_OPERATOR(mod, %)
     LUABIND_BINARY_OPERATOR(pow, ^)
     LUABIND_BINARY_OPERATOR(lt, <)
     LUABIND_BINARY_OPERATOR(le, <=)