diff --git a/core/GhcMod/Target.hs b/core/GhcMod/Target.hs
index d4f4235..4a797c0 100644
--- a/core/GhcMod/Target.hs
+++ b/core/GhcMod/Target.hs
@@ -164,7 +164,7 @@ runGmlTWith efnmns' mdf wrapper action = do
     cfns <- mapM getCanonicalFileNameSafe ccfns
     let serfnmn = Set.fromList $ map Right mns ++ map Left cfns
     opts <- targetGhcOptions crdl serfnmn
-    let opts' = opts ++ ["-O0"] ++ optGhcUserOptions
+    let opts' = opts ++ ["-O0", "-fno-missing-home-modules"] ++ optGhcUserOptions
 
     gmVomit
       "session-ghc-options"