diff --git a/Cabal/src/Distribution/Simple/Program/GHC.hs b/Cabal/src/Distribution/Simple/Program/GHC.hs
index f853fed7721..243cb75013c 100644
--- a/Cabal/src/Distribution/Simple/Program/GHC.hs
+++ b/Cabal/src/Distribution/Simple/Program/GHC.hs
@@ -684,6 +684,7 @@ runGHCWithResponseFile workDir fileNameTemplate encoding verbosity ghcProg comp
           case arg of
             "+RTS" -> (True, responseFileArgs, arg : otherArgs)
             "-RTS" -> (False, responseFileArgs, arg : otherArgs)
+            "--RTS" -> (False, args, [ arg ])
             _
               | isRTSOption -> (isRTSOption, responseFileArgs, arg : otherArgs)
               | otherwise -> (isRTSOption, arg : responseFileArgs, otherArgs)