diff --git a/pandoc.cabal b/pandoc.cabal
index d2e6172ce..d0c8493da 100644
--- a/pandoc.cabal
+++ b/pandoc.cabal
@@ -472,6 +472,7 @@ Test-Suite test-pandoc
                   Tests.Writers.Plain
                   Tests.Writers.AsciiDoc
                   Tests.Writers.LaTeX
+                  Tests.Writers.Docx
   Ghc-Options:  -rtsopts -Wall -fno-warn-unused-do-bind -threaded
   Default-Language: Haskell98