diff --git a/hexlib/db.py b/hexlib/db.py
index 827c708..11e964a 100644
--- a/hexlib/db.py
+++ b/hexlib/db.py
@@ -162,6 +162,8 @@ def _serialize(value):
         return base64.b64encode(value)
     if value is None:
         return None
+    if isinstance(value, bool):
+        return value
     return str(value)
 
 
diff --git a/setup.py b/setup.py
index 8362588..3a1a1ce 100644
--- a/setup.py
+++ b/setup.py
@@ -2,7 +2,7 @@ from setuptools import setup
 
 setup(
     name="hexlib",
-    version="1.21",
+    version="1.22",
     description="Misc utility methods",
     author="simon987",
     author_email="me@simon987.net",
diff --git a/test/test_PersistantState.py b/test/test_PersistantState.py
index 1ac9696..6e0ab56 100644
--- a/test/test_PersistantState.py
+++ b/test/test_PersistantState.py
@@ -61,3 +61,17 @@ class TestPersistentState(TestCase):
         val["id"] = 1
 
         self.assertDictEqual(val, s["a"][1])
+
+    def test_bool(self):
+        s = PersistentState()
+
+        val = {"a": True, "b": False}
+        s["a"][1] = val
+        s["a"][1] = {
+            "a": True
+        }
+
+        val["a"] = True
+        val["id"] = 1
+
+        self.assertDictEqual(val, s["a"][1])