diff --git a/src/borg/compress.pyx b/src/borg/compress.pyx
index d7c4f5f36f..e78821ec93 100644
--- a/src/borg/compress.pyx
+++ b/src/borg/compress.pyx
@@ -713,8 +713,8 @@ class CompressionSpec:
         elif self.name == 'obfuscate':
             if 3 <= count <= 5:
                 level = int(values[1])
-                if not ((1 <= level <= 6) or (110 <= level <= 123)):
-                    raise ArgumentTypeError("level must be >= 1 and <= 6 or >= 110 and <= 123")
+                if not ((1 <= level <= 6) or (110 <= level <= 123) or (level == 250)):
+                    raise ArgumentTypeError("level must be (inclusively) within 1...6, 110...123 or equal to 250")
                 self.level = level
                 compression = ','.join(values[2:])
             else:
diff --git a/src/borg/testsuite/compress_test.py b/src/borg/testsuite/compress_test.py
index c7d45444a1..9ec9f1046e 100644
--- a/src/borg/testsuite/compress_test.py
+++ b/src/borg/testsuite/compress_test.py
@@ -232,7 +232,7 @@ def test_invalid_compression_level(invalid_spec):
     ],
 )
 def test_padme_obfuscation(data_length, expected_padding):
-    compressor = Compressor(name="obfuscate", level=250, compressor=Compressor("none"))
+    compressor = CompressionSpec("obfuscate,250,none").compressor
     data = b"x" * data_length
     meta, compressed = compressor.compress(dict(type=ROBJ_FILE_STREAM), data)
 
@@ -251,7 +251,7 @@ def test_padme_obfuscation(data_length, expected_padding):
     ],
 )
 def test_robj_specific_obfuscation(data_length, expected_padding, robj_type):
-    compressor = Compressor(name="obfuscate", level=250, compressor=Compressor("none"))
+    compressor = CompressionSpec("obfuscate,250,none").compressor
     data = b"x" * data_length
     meta, compressed = compressor.compress(dict(type=robj_type), data)