diff --git a/src/compression.jl b/src/compression.jl
index 4ea160a..40ead54 100644
--- a/src/compression.jl
+++ b/src/compression.jl
@@ -118,7 +118,7 @@ struct DeflateCompressor <: CompressorCodec
 end
 
 """
-    DeflateCompressor(;level=$(Z_DEFAULT_COMPRESSION), windowbits=$(Z_DEFAULT_COMPRESSION))
+    DeflateCompressor(;level=$(Z_DEFAULT_COMPRESSION), windowbits=$(Z_DEFAULT_WINDOWBITS))
 
 Create a deflate compression codec.