diff --git a/Language/Haskell/GhcMod/Target.hs b/Language/Haskell/GhcMod/Target.hs
index e622dd5..7c4dca8 100644
--- a/Language/Haskell/GhcMod/Target.hs
+++ b/Language/Haskell/GhcMod/Target.hs
@@ -210,7 +210,7 @@ resolvedComponentsCache distdir = Cached {
                   filterOutSetupCfg =
                       filter (/= cradleRootDir </> setupConfigPath distdir)
                   changedFiles = filterOutSetupCfg iifs
-              in if null changedFiles
+              in if null changedFiles || setupChanged
                    then Nothing
                    else Just $ map Left changedFiles