diff --git a/testsuite/tests/th/T8412.hs b/testsuite/tests/th/T8412.hs
index 074bb5012157f225e483b8d929dd8ebeffeeb8f3..5113a943131303396379fdb133313554ecc5f6b6 100644
--- a/testsuite/tests/th/T8412.hs
+++ b/testsuite/tests/th/T8412.hs
@@ -1,4 +1,4 @@
-{-# LANGUAGE TemplateHaskell #-}
+{-# LANGUAGE TemplateHaskell, DataKinds #-}
 
 import Language.Haskell.TH