diff --git a/language-vhdl.cabal b/language-vhdl.cabal
--- a/language-vhdl.cabal
+++ b/language-vhdl.cabal
@@ -2,7 +2,7 @@
 -- documentation, see http://haskell.org/cabal/users-guide/
 
 name:                language-vhdl
-version:             0.1.2.0
+version:             0.1.2.1
 synopsis:            VHDL AST and pretty printer in Haskell.
 -- description:         
 license:             BSD3
diff --git a/src/Language/VHDL/Syntax.hs b/src/Language/VHDL/Syntax.hs
--- a/src/Language/VHDL/Syntax.hs
+++ b/src/Language/VHDL/Syntax.hs
@@ -2695,7 +2695,7 @@
       | use_clause
 -}
 
-type ContextClause = Maybe (ContextItem)
+type ContextClause = [ContextItem]
 
 data ContextItem =
     ContextLibrary LibraryClause