diff --git a/mongoose.c b/mongoose.c
index 1d51e86c..7c22ae9f 100644
--- a/mongoose.c
+++ b/mongoose.c
@@ -3704,19 +3704,19 @@ static void *mmap(void *addr, int64_t len, int prot, int flags, int fd,
 #include <sys/mman.h>
 #endif
 
-static void reg_string(struct lua_State *L, const char *name, const char *val) {
+void reg_string(struct lua_State *L, const char *name, const char *val) {
   lua_pushstring(L, name);
   lua_pushstring(L, val);
   lua_rawset(L, -3);
 }
 
-static void reg_int(struct lua_State *L, const char *name, int val) {
+void reg_int(struct lua_State *L, const char *name, int val) {
   lua_pushstring(L, name);
   lua_pushinteger(L, val);
   lua_rawset(L, -3);
 }
 
-static void reg_function(struct lua_State *L, const char *name,
+void reg_function(struct lua_State *L, const char *name,
                          lua_CFunction func, struct mg_connection *conn) {
   lua_pushstring(L, name);
   lua_pushlightuserdata(L, conn);
diff --git a/mongoose.h b/mongoose.h
index afde089d..3ac824f9 100644
--- a/mongoose.h
+++ b/mongoose.h
@@ -112,6 +112,14 @@ void *mg_start_thread(void *(*func)(void *), void *param);
 char *mg_md5(char buf[33], ...);
 int mg_authorize_digest(struct mg_connection *c, FILE *fp);
 
+// Lua utility functions
+#ifdef MONGOOSE_USE_LUA
+static void reg_string(struct lua_State *L, const char *name, const char *val);
+static void reg_int(struct lua_State *L, const char *name, int val);
+static void reg_function(struct lua_State *L, const char *name,
+                         lua_CFunction func, struct mg_connection *conn);
+#endif
+
 #ifdef __cplusplus
 }
 #endif // __cplusplus