diff --git a/miltertest/miltertest.c b/miltertest/miltertest.c
index 04e50c0..c96d9e3 100644
--- a/miltertest/miltertest.c
+++ b/miltertest/miltertest.c
@@ -4168,7 +4168,7 @@ main(int argc, char **argv)
	                 script == NULL ? "(stdin)" : script, NULL))
 #else /* LUA_VERSION_NUM == 502 */
	switch (lua_load(l, mt_lua_reader, (void *) &io,
-	                 script == NULL ? "(stdin)" : script))
+	                 script == NULL ? "(stdin)" : script, NULL))
 #endif /* LUA_VERSION_NUM == 502 */
	{
	  case 0:
diff --git a/opendkim/opendkim-lua.c b/opendkim/opendkim-lua.c
index 4720862..e265ba9 100644
--- a/opendkim/opendkim-lua.c
+++ b/opendkim/opendkim-lua.c
@@ -535,7 +535,7 @@ dkimf_lua_setup_hook(void *ctx, const char *script, size_t scriptlen,
 # if LUA_VERSION_NUM == 502
	switch (lua_load(l, dkimf_lua_reader, (void *) &io, name, NULL))
 # else /* LUA_VERSION_NUM == 502 */
-	switch (lua_load(l, dkimf_lua_reader, (void *) &io, name))
+	switch (lua_load(l, dkimf_lua_reader, (void *) &io, name, NULL))
 # endif /* LUA_VERSION_NUM == 502 */
	{
	  case 0:
@@ -564,7 +564,7 @@ dkimf_lua_setup_hook(void *ctx, const char *script, size_t scriptlen,
		io.lua_io_len = 0;
		io.lua_io_alloc = 0;

-		if (lua_dump(l, dkimf_lua_writer, &io) == 0)
+		if (lua_dump(l, dkimf_lua_writer, &io, NULL) == 0)
		{
			*keep = (void *) io.lua_io_script;
			*funclen = io.lua_io_len;
@@ -680,7 +680,7 @@ dkimf_lua_screen_hook(void *ctx, const char *script, size_t scriptlen,
 # if LUA_VERSION_NUM == 502
	switch (lua_load(l, dkimf_lua_reader, (void *) &io, name, NULL))
 # else /* LUA_VERSION_NUM == 502 */
-	switch (lua_load(l, dkimf_lua_reader, (void *) &io, name))
+	switch (lua_load(l, dkimf_lua_reader, (void *) &io, name, NULL))
 # endif /* LUA_VERSION_NUM == 502 */
	{
	  case 0:
@@ -709,7 +709,7 @@ dkimf_lua_screen_hook(void *ctx, const char *script, size_t scriptlen,
		io.lua_io_len = 0;
		io.lua_io_alloc = 0;

-		if (lua_dump(l, dkimf_lua_writer, &io) == 0)
+		if (lua_dump(l, dkimf_lua_writer, &io, NULL) == 0)
		{
			*keep = (void *) io.lua_io_script;
			*funclen = io.lua_io_len;
@@ -917,7 +917,7 @@ dkimf_lua_stats_hook(void *ctx, const char *script, size_t scriptlen,
 # if LUA_VERSION_NUM == 502
	switch (lua_load(l, dkimf_lua_reader, (void *) &io, name, NULL))
 # else /* LUA_VERSION_NUM == 502 */
-	switch (lua_load(l, dkimf_lua_reader, (void *) &io, name))
+	switch (lua_load(l, dkimf_lua_reader, (void *) &io, name, NULL))
 # endif /* LUA_VERSION_NUM == 502 */
	{
	  case 0:
@@ -946,7 +946,7 @@ dkimf_lua_stats_hook(void *ctx, const char *script, size_t scriptlen,
		io.lua_io_len = 0;
		io.lua_io_alloc = 0;

-		if (lua_dump(l, dkimf_lua_writer, &io) == 0)
+		if (lua_dump(l, dkimf_lua_writer, &io, NULL) == 0)
		{
			*keep = (void *) io.lua_io_script;
			*funclen = io.lua_io_len;
@@ -1154,7 +1154,7 @@ dkimf_lua_final_hook(void *ctx, const char *script, size_t scriptlen,
 # if LUA_VERSION_NUM == 502
	switch (lua_load(l, dkimf_lua_reader, (void *) &io, name, NULL))
 # else /* LUA_VERSION_NUM == 502 */
-	switch (lua_load(l, dkimf_lua_reader, (void *) &io, name))
+	switch (lua_load(l, dkimf_lua_reader, (void *) &io, name, NULL))
 # endif /* LUA_VERSION_NUM == 502 */
	{
	  case 0:
@@ -1183,7 +1183,7 @@ dkimf_lua_final_hook(void *ctx, const char *script, size_t scriptlen,
		io.lua_io_len = 0;
		io.lua_io_alloc = 0;

-		if (lua_dump(l, dkimf_lua_writer, &io) == 0)
+		if (lua_dump(l, dkimf_lua_writer, &io, NULL) == 0)
		{
			*keep = (void *) io.lua_io_script;
			*funclen = io.lua_io_len;
@@ -1255,7 +1255,7 @@ dkimf_lua_db_hook(const char *script, size_t scriptlen, const char *query,
 # if LUA_VERSION_NUM == 502
	switch (lua_load(l, dkimf_lua_reader, (void *) &io, script, NULL))
 # else /* LUA_VERSION_NUM == 502 */
-	switch (lua_load(l, dkimf_lua_reader, (void *) &io, script))
+	switch (lua_load(l, dkimf_lua_reader, (void *) &io, script, NULL))
 # endif /* LUA_VERSION_NUM == 502 */
	{
	  case 0:
@@ -1284,7 +1284,7 @@ dkimf_lua_db_hook(const char *script, size_t scriptlen, const char *query,
		io.lua_io_len = 0;
		io.lua_io_alloc = 0;

-		if (lua_dump(l, dkimf_lua_writer, &io) == 0)
+		if (lua_dump(l, dkimf_lua_writer, &io, NULL) == 0)
		{
			*keep = (void *) io.lua_io_script;
			*funclen = io.lua_io_len;