diff --git a/src-literatetests/Main.hs b/src-literatetests/Main.hs
index a2b2807..b96ffc1 100644
--- a/src-literatetests/Main.hs
+++ b/src-literatetests/Main.hs
@@ -154,7 +154,9 @@ defaultTestConfig = Config
     , _lconfig_altChooser         = coerce $ AltChooserBoundedSearch 3
     , _lconfig_columnAlignMode    = coerce (ColumnAlignModeMajority 0.7)
     }
-  , _conf_errorHandling = _conf_errorHandling staticDefaultConfig
+  , _conf_errorHandling = (_conf_errorHandling staticDefaultConfig)
+    { _econf_omit_output_valid_check = coerce True
+    }
   , _conf_forward       = ForwardOptions
     { _options_ghc = Identity []
     }
diff --git a/src/Language/Haskell/Brittany.hs b/src/Language/Haskell/Brittany.hs
index 6eeea5d..d45ef98 100644
--- a/src/Language/Haskell/Brittany.hs
+++ b/src/Language/Haskell/Brittany.hs
@@ -115,7 +115,10 @@ parsePrintModule conf filename input = do
   case parseResult of
     Left  (_   , s           ) -> return $ Left $ "parsing error: " ++ s
     Right (anns, parsedModule) -> do
-      (errs, ltext) <- pPrintModuleAndCheck conf anns parsedModule
+      let omitCheck = conf & _conf_errorHandling .> _econf_omit_output_valid_check .> confUnpack
+      (errs, ltext) <- if omitCheck
+        then return $ pPrintModule conf anns parsedModule
+        else pPrintModuleAndCheck conf anns parsedModule
       return $ if null errs
         then Right $ TextL.toStrict $ ltext
         else