diff --git a/hexlib/text.py b/hexlib/text.py
index 4ff5904..bc660ee 100644
--- a/hexlib/text.py
+++ b/hexlib/text.py
@@ -97,7 +97,7 @@ def preprocess(text, lowercase=False, clean_html=False, remove_punctuation=False
     words = text.split()
 
     if strip_quotes:
-        words = filter(lambda w: w.strip("\"'“"), words)
+        words = map(lambda w: w.strip("\"'“”"), words)
 
     if bigrams:
         words = _transform_bigram(nltk.bigrams(chain(words, ("*",))), bigrams)
diff --git a/setup.py b/setup.py
index 9199c84..073c7ea 100644
--- a/setup.py
+++ b/setup.py
@@ -2,7 +2,7 @@ from setuptools import setup
 
 setup(
     name="hexlib",
-    version="1.68",
+    version="1.69",
     description="Misc utility methods",
     author="simon987",
     author_email="me@simon987.net",
diff --git a/test/test_text.py b/test/test_text.py
index e10e1bd..3d6f7ce 100644
--- a/test/test_text.py
+++ b/test/test_text.py
@@ -247,3 +247,13 @@ class TestText(TestCase):
         expected = "hello1 test1124test world"
 
         self.assertEqual(" ".join(cleaned), expected)
+
+    def test_strip_quotes(self):
+        text = "'hi' “test” 'hello\""
+        cleaned = preprocess(
+            text,
+            strip_quotes=True
+        )
+        expected = "hi test hello"
+
+        self.assertEqual(" ".join(cleaned), expected)