diff --git a/gallery_dl/extractor/twibooru.py b/gallery_dl/extractor/twibooru.py
index a725a2c6..3b0ea364 100644
--- a/gallery_dl/extractor/twibooru.py
+++ b/gallery_dl/extractor/twibooru.py
@@ -12,7 +12,7 @@ from .booru import BooruExtractor
 from .. import text, exception
 import operator
 
-BASE_PATTERN = r"(?:https?://)?twibooru\.org"
+BASE_PATTERN = r"(?:https?://)?(?:www\.)?twibooru\.org"
 
 
 class TwibooruExtractor(BooruExtractor):
diff --git a/test/results/twibooru.py b/test/results/twibooru.py
index a39f9de7..d8d20642 100644
--- a/test/results/twibooru.py
+++ b/test/results/twibooru.py
@@ -99,6 +99,11 @@ __tests__ = (
     "#count"   : 20,
 },
 
+{
+    "#url"     : "https://www.twibooru.org/tags/cute",
+    "#class"   : twibooru.TwibooruSearchExtractor,
+},
+
 {
     "#url"     : "https://twibooru.org/galleries/1",
     "#category": ("philomena", "twibooru", "gallery"),