diff --git a/test/PandocSpec.hs b/test/PandocSpec.hs
index 354071840..14e55dcb0 100644
--- a/test/PandocSpec.hs
+++ b/test/PandocSpec.hs
@@ -4,7 +4,7 @@ import TestImport
 
 import Utils.Print
 
--- import qualified Data.Set as Set
+import qualified Data.Set as Set
 import qualified Data.Map.Lazy as Map
 import qualified Data.Foldable as Fold
 import qualified Data.Text as T