diff --git a/src/xopen/__init__.py b/src/xopen/__init__.py
index dafefa4..084aa07 100644
--- a/src/xopen/__init__.py
+++ b/src/xopen/__init__.py
@@ -166,7 +166,7 @@ class PipedCompressionProgram(io.IOBase):
     Read and write compressed files by running an external process and piping into it.
     """
 
-    def __init__(
+    def __init__(  # noqa: C901
         self,
         path: FilePath,
         program_args: List[str],