diff --git a/src/hlua.c b/src/hlua.c
index c66849c48..956fd1fc6 100644
--- a/src/hlua.c
+++ b/src/hlua.c
@@ -8074,6 +8074,11 @@ struct http_hdr *hlua_httpclient_table_to_hdrs(lua_State *L)
 				goto skip_headers;
 			}
 
+			if (hdr_num >= global.tune.max_http_hdr) {
+				lua_pop(L, 2);
+				goto skip_headers;
+			}
+
 			v = lua_tolstring(L, -1, &vlen);
 			value = ist2(v, vlen);
 			name = ist2(n, nlen);