diff --git a/meson.build b/meson.build
index d3b4168..ce1c9b6 100644
--- a/meson.build
+++ b/meson.build
@@ -204,6 +204,7 @@ executable('cm4all-spawn-reaper',
     lua_dep,
     lua_io_dep,
     pg_dep,
+    lua_sodium_dep,
     util_dep,
     fmt_dep,
   ],
diff --git a/src/reaper/LInit.cxx b/src/reaper/LInit.cxx
index c69003e..5323d33 100644
--- a/src/reaper/LInit.cxx
+++ b/src/reaper/LInit.cxx
@@ -3,6 +3,7 @@
 // author: Max Kellermann <mk@cm4all.com>
 
 #include "LInit.hxx"
+#include "config.h"
 #include "lua/io/XattrTable.hxx"
 #include "lua/io/CgroupInfo.hxx"
 
@@ -10,6 +11,10 @@
 #include "lua/pg/Init.hxx"
 #endif
 
+#ifdef HAVE_LIBSODIUM
+#include "lua/sodium/Init.hxx"
+#endif
+
 extern "C" {
 #include <lauxlib.h>
 #include <lualib.h>
@@ -23,7 +28,7 @@ LuaInit([[maybe_unused]] EventLoop &event_loop)
 	luaL_openlibs(state.get());
 
 #ifdef HAVE_LIBSODIUM
-	Lua::InitSodium(L);
+	Lua::InitSodium(state.get());
 #endif
 
 	Lua::InitXattrTable(state.get());