diff --git a/testsuite/tests/ghci/scripts/T15546.stdout b/testsuite/tests/ghci/scripts/T15546.stdout
index 9892753fc061fac21caf2610110ec45bd7120fe8..5dc8cf367909dadab11c782984c918a31bd990ff 100644
--- a/testsuite/tests/ghci/scripts/T15546.stdout
+++ b/testsuite/tests/ghci/scripts/T15546.stdout
@@ -5,5 +5,5 @@ type family E a b :: * where
 type family E a b :: * where
   {- #0 -} E a a = ()
   {- #1 -} E a b = Bool
-        -- incompatible with: #0
+      -- incompatible with: #0
   	-- Defined at <interactive>:2:1