diff --git a/lib/src/kdbx_format.dart b/lib/src/kdbx_format.dart
index f462c5f..05887e7 100644
--- a/lib/src/kdbx_format.dart
+++ b/lib/src/kdbx_format.dart
@@ -87,7 +87,8 @@ class KeyFileCredentials implements CredentialsPart {
 
   KeyFileCredentials._(this._keyFileValue);
 
-  static final RegExp _hexValuePattern = RegExp(r'/^[a-f\d]{64}$/i');
+  static final RegExp _hexValuePattern =
+      RegExp(r'^[a-f\d]{64}', caseSensitive: false);
 
   final ProtectedValue _keyFileValue;
 
diff --git a/test/kdbx_test.dart b/test/kdbx_test.dart
index bb7fd12..cf44a2a 100644
--- a/test/kdbx_test.dart
+++ b/test/kdbx_test.dart
@@ -41,6 +41,15 @@ void main() {
       final file = kdbxForamt.read(data, cred);
       expect(file.body.rootGroup.entries, hasLength(2));
     });
+    test('Read with PW and hex keyfile', () async {
+      final keyFileBytes =
+          await File('test/keyfile/hexkey_no_newline').readAsBytes();
+      final cred = Credentials.composite(
+          ProtectedValue.fromString('testing99'), keyFileBytes);
+      final data = await File('test/keyfile/newdatabase2.kdbx').readAsBytes();
+      final file = kdbxForamt.read(data, cred);
+      expect(file.body.rootGroup.entries, hasLength(3));
+    });
   });
 
   group('Creating', () {
diff --git a/test/keyfile/hexkey_no_newline b/test/keyfile/hexkey_no_newline
new file mode 100644
index 0000000..b4e9a91
--- /dev/null
+++ b/test/keyfile/hexkey_no_newline
@@ -0,0 +1 @@
+033ce6a895f345fdd177c1afcbc6bdbc8047207ba0e58e5231c1ee53f4b40d70
\ No newline at end of file
diff --git a/test/keyfile/newdatabase2.kdbx b/test/keyfile/newdatabase2.kdbx
new file mode 100644
index 0000000..49581fa
Binary files /dev/null and b/test/keyfile/newdatabase2.kdbx differ