diff --git a/src/hlua.c b/src/hlua.c
index 228bd67..79446f9 100644
--- a/src/hlua.c
+++ b/src/hlua.c
@@ -6275,6 +6275,7 @@
 	hlua = pool_alloc(pool_head_hlua);
 	if (!hlua)
 		WILL_LJMP(luaL_error(L, "Lua out of memory error."));
+	HLUA_INIT(hlua);
 
 	task = task_new(MAX_THREADS_MASK);
 	if (!task)
@@ -6315,11 +6316,15 @@
 	 * Lua initialization cause 5% performances loss.
 	 */
 	if (!stream->hlua) {
-		stream->hlua = pool_alloc(pool_head_hlua);
-		if (!stream->hlua) {
+		struct hlua *hlua;
+
+		hlua = pool_alloc(pool_head_hlua);
+		if (!hlua) {
 			SEND_ERR(stream->be, "Lua converter '%s': can't initialize Lua context.\n", fcn->name);
 			return 0;
 		}
+		HLUA_INIT(hlua);
+		stream->hlua = hlua;
 		if (!hlua_ctx_init(stream->hlua, stream->task, 0)) {
 			SEND_ERR(stream->be, "Lua converter '%s': can't initialize Lua context.\n", fcn->name);
 			return 0;
@@ -6448,11 +6453,15 @@
 	 * Lua initialization cause 5% performances loss.
 	 */
 	if (!stream->hlua) {
-		stream->hlua = pool_alloc(pool_head_hlua);
-		if (!stream->hlua) {
+		struct hlua *hlua;
+
+		hlua = pool_alloc(pool_head_hlua);
+		if (!hlua) {
 			SEND_ERR(stream->be, "Lua sample-fetch '%s': can't initialize Lua context.\n", fcn->name);
 			return 0;
 		}
+		hlua->T = NULL;
+		stream->hlua = hlua;
 		if (!hlua_ctx_init(stream->hlua, stream->task, 0)) {
 			SEND_ERR(stream->be, "Lua sample-fetch '%s': can't initialize Lua context.\n", fcn->name);
 			return 0;
@@ -6743,12 +6752,16 @@
 	 * Lua initialization cause 5% performances loss.
 	 */
 	if (!s->hlua) {
-		s->hlua = pool_alloc(pool_head_hlua);
-		if (!s->hlua) {
+		struct hlua *hlua;
+
+		hlua = pool_alloc(pool_head_hlua);
+		if (!hlua) {
 			SEND_ERR(px, "Lua action '%s': can't initialize Lua context.\n",
 			         rule->arg.hlua_rule->fcn.name);
 			goto end;
 		}
+		HLUA_INIT(hlua);
+		s->hlua = hlua;
 		if (!hlua_ctx_init(s->hlua, s->task, 0)) {
 			SEND_ERR(px, "Lua action '%s': can't initialize Lua context.\n",
 			         rule->arg.hlua_rule->fcn.name);