diff --git a/single/sol/sol.hpp b/single/sol/sol.hpp
index cd2d9c6e..e267952e 100644
--- a/single/sol/sol.hpp
+++ b/single/sol/sol.hpp
@@ -20,8 +20,8 @@
 // CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 
 // This file was generated with a script.
-// Generated 2017-09-22 11:30:13.483049 UTC
-// This header was generated with sol v2.18.3 (revision 1b23ad8)
+// Generated 2017-09-22 15:04:13.948949 UTC
+// This header was generated with sol v2.18.3 (revision 0114882)
 // https://github.com/ThePhD/sol2
 
 #ifndef SOL_SINGLE_INCLUDE_HPP
@@ -4522,8 +4522,8 @@ namespace sol {
 	inline bool operator!=(lua_nil_t, lua_nil_t) {
 		return false;
 	}
-#if !defined(SOL_NO_NIL)
 	typedef lua_nil_t nil_t;
+#if !defined(SOL_NO_NIL)
 	const nil_t nil{};
 #endif
 
diff --git a/sol/types.hpp b/sol/types.hpp
index c407ccc4..79ba94e2 100644
--- a/sol/types.hpp
+++ b/sol/types.hpp
@@ -182,8 +182,8 @@ namespace sol {
 	inline bool operator!=(lua_nil_t, lua_nil_t) {
 		return false;
 	}
-#if !defined(SOL_NO_NIL)
 	typedef lua_nil_t nil_t;
+#if !defined(SOL_NO_NIL)
 	const nil_t nil{};
 #endif
 
diff --git a/tests/test_functions.cpp b/tests/test_functions.cpp
index d080cc9c..1bcaea58 100644
--- a/tests/test_functions.cpp
+++ b/tests/test_functions.cpp
@@ -216,7 +216,7 @@ end )");
 	REQUIRE_FALSE((bool)testn);
 	REQUIRE(testv.value() == 29);
 	sol::optional<thing> v = lua_bark(sol::optional<thing>(thing{ 29 }));
-	REQUIRE_NOTHROW([&] {sol::nil_t n = lua_bark(sol::nullopt); return n; }());
+	REQUIRE_NOTHROW([&] {sol::lua_nil_t n = lua_bark(sol::nullopt); return n; }());
 	REQUIRE(v->v == 29);
 }
 
@@ -665,7 +665,7 @@ TEST_CASE("advanced/get and call", "Checks for lambdas returning values after a
 	REQUIRE_NOTHROW(lua.get<sol::function>("h").call());
 
 	REQUIRE_NOTHROW(lua.set_function("i", [] { return sol::lua_nil; }));
-	REQUIRE(lua.get<sol::function>("i").call<sol::nil_t>() == sol::lua_nil);
+	REQUIRE(lua.get<sol::function>("i").call<sol::lua_nil_t>() == sol::lua_nil);
 	REQUIRE_NOTHROW(lua.set_function("j", [] { return std::make_tuple(1, 6.28f, 3.14, std::string("heh")); }));
 	REQUIRE((lua.get<sol::function>("j").call<int, float, double, std::string>() == heh_tuple));
 }
@@ -700,7 +700,7 @@ TEST_CASE("advanced/operator[] call", "Checks for lambdas returning values using
 	REQUIRE_NOTHROW(lua["h"].call());
 
 	REQUIRE_NOTHROW(lua.set_function("i", [] { return sol::lua_nil; }));
-	REQUIRE(lua["i"].call<sol::nil_t>() == sol::lua_nil);
+	REQUIRE(lua["i"].call<sol::lua_nil_t>() == sol::lua_nil);
 	REQUIRE_NOTHROW(lua.set_function("j", [] { return std::make_tuple(1, 6.28f, 3.14, std::string("heh")); }));
 	REQUIRE((lua["j"].call<int, float, double, std::string>() == heh_tuple));
 }
diff --git a/tests/test_tables.cpp b/tests/test_tables.cpp
index 5c8445f8..79b2dfe5 100644
--- a/tests/test_tables.cpp
+++ b/tests/test_tables.cpp
@@ -184,7 +184,7 @@ TEST_CASE("tables/for_each", "Testing the use of for_each to get values from a l
 				REQUIRE((value.as<std::string>() == "String value"));
 				break;
 			case 3:
-				REQUIRE((value.is<sol::nil_t>()));
+				REQUIRE((value.is<sol::lua_nil_t>()));
 				break;
 			}
 			break;
@@ -234,7 +234,7 @@ TEST_CASE("tables/for_each empty", "empty tables should not crash") {
 				REQUIRE((value.as<std::string>() == "String value"));
 				break;
 			case 3:
-				REQUIRE((value.is<sol::nil_t>()));
+				REQUIRE((value.is<sol::lua_nil_t>()));
 				break;
 			}
 			break;
@@ -305,7 +305,7 @@ TEST_CASE("tables/iterators", "Testing the use of iteratrs to get values from a
 						REQUIRE((value.as<std::string>() == "String value"));
 						break;
 					case 3:
-						REQUIRE((value.is<sol::nil_t>()));
+						REQUIRE((value.is<sol::lua_nil_t>()));
 						break;
 					}
 					break;
diff --git a/tests/tests.cpp b/tests/tests.cpp
index c7cf1169..fea59f87 100644
--- a/tests/tests.cpp
+++ b/tests/tests.cpp
@@ -114,7 +114,7 @@ TEST_CASE("simple/get", "Tests if the get function works properly.") {
 	lua.safe_script("b = nil");
 	{
 		test_stack_guard g(lua.lua_state(), begintop, endtop);
-		REQUIRE_NOTHROW(lua.get<sol::nil_t>("b"));
+		REQUIRE_NOTHROW(lua.get<sol::lua_nil_t>("b"));
 	}
 	REQUIRE(begintop == endtop);