diff --git a/Cabal/tests/PackageTests/PackageTester.hs b/Cabal/tests/PackageTests/PackageTester.hs
index 169b9cd9d0bbaca72484dbd3bea6e460de0b50d3..fa9c31ac1718466db7670f7abe9280dab41615fa 100644
--- a/Cabal/tests/PackageTests/PackageTester.hs
+++ b/Cabal/tests/PackageTests/PackageTester.hs
@@ -131,7 +131,8 @@ cabal spec cabalArgs = do
     wd <- getCurrentDirectory
     r <- run (Just $ directory spec) "ghc"
              [ "--make"
-             , "-fhpc"
+-- HPC causes trouble -- see #1012
+--             , "-fhpc"
              , "-package-db " ++ wd </> "../dist/package.conf.inplace"
              , "Setup.hs"
              ]