diff --git a/sqlite_utils/utils.py b/sqlite_utils/utils.py
index ee6695b55..92411d2c8 100644
--- a/sqlite_utils/utils.py
+++ b/sqlite_utils/utils.py
@@ -182,6 +182,8 @@ def column_affinity(column_type: str) -> type:
         return bytes
     if "REAL" in column_type or "FLOA" in column_type or "DOUB" in column_type:
         return float
+    if "BOOL" in column_type:
+        return int
     if column_type == "ANY":
         return ANY
     # Default is 'NUMERIC', which we currently also treat as float
diff --git a/tests/test_utils.py b/tests/test_utils.py
index 360a4436a..03f63455d 100644
--- a/tests/test_utils.py
+++ b/tests/test_utils.py
@@ -102,3 +102,22 @@ def test_flatten(input, expected):
 )
 def test_dedupe_keys(input, expected):
     assert utils.dedupe_keys(input) == expected
+
+
+@pytest.mark.parametrize(
+    "column_type,expected",
+    (
+        ("BOOLEAN", int),
+        ("BOOL", int),
+        ("INTEGER", int),
+        ("TEXT", str),
+        ("REAL", float),
+        ("BLOB", bytes),
+        ("VARCHAR(255)", str),
+        ("DOUBLE PRECISION", float),
+        ("NUMERIC", float),
+        ("", str),
+    ),
+)
+def test_column_affinity(column_type, expected):
+    assert utils.column_affinity(column_type) is expected