diff --git a/data-elf.cabal b/data-elf.cabal
--- a/data-elf.cabal
+++ b/data-elf.cabal
@@ -1,5 +1,5 @@
 Name: data-elf
-Version: 0.1
+Version: 0.1.0.1
 Category: Data
 Stability: experimental
 Synopsis: Executable and Linkable Format (ELF) data structures.
diff --git a/src/Data/Elf.hs b/src/Data/Elf.hs
--- a/src/Data/Elf.hs
+++ b/src/Data/Elf.hs
@@ -370,7 +370,7 @@
 
 -- | Big-endian data encoding (@ELFDATA2MSB@).
 msbDataEnc ∷ DataEnc
-msbDataEnc = DataEnc 1
+msbDataEnc = DataEnc 2
 
 -- | System ABI.
 newtype OsAbi = OsAbi { unOsAbi ∷ Word8 }