diff --git a/CHANGES b/CHANGES
index 15c4d0e..c5c3320 100644
--- a/CHANGES
+++ b/CHANGES
@@ -19,6 +19,7 @@ Lib/
 
 Tests/
 * scripts do not directly call SlapdTestCase.setUpClass() anymore
+* added LDIF test with folded, base64-encoded attribute
 
 ----------------------------------------------------------------
 Released 2.5.1 2017-11-12
diff --git a/Tests/t_ldif.py b/Tests/t_ldif.py
index 4dd1e02..3da213f 100644
--- a/Tests/t_ldif.py
+++ b/Tests/t_ldif.py
@@ -248,6 +248,30 @@ def test_binary2(self):
             ]
         )
 
+    def test_big_binary(self):
+        self.check_records(
+            """
+            dn: cn=x,cn=y,cn=z
+            attrib:: AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
+             AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
+             AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
+             AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
+             AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
+             AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
+             AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
+             AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
+             AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
+             =
+
+            """,
+            [
+                (
+                    'cn=x,cn=y,cn=z',
+                    {'attrib': [500*b'\0']},
+                ),
+            ]
+        )
+
     def test_unicode(self):
         self.check_records(
             """