diff --git a/pkgs/development/haskell-modules/lib.nix b/pkgs/development/haskell-modules/lib.nix
index 8790b56e5019..54616abc4ba8 100644
--- a/pkgs/development/haskell-modules/lib.nix
+++ b/pkgs/development/haskell-modules/lib.nix
@@ -129,10 +129,12 @@ rec {
 
          > haskell.lib.appendConfigureFlag haskellPackages.servant "--profiling-detail=all-functions"
    */
-  appendConfigureFlag = drv: x: overrideCabal drv (drv: { configureFlags = (drv.configureFlags or []) ++ [x]; });
+  appendConfigureFlag = drv: x: appendConfigureFlags drv [x];
+  appendConfigureFlags = drv: xs: overrideCabal drv (drv: { configureFlags = (drv.configureFlags or []) ++ xs; });
 
   appendBuildFlag = drv: x: overrideCabal drv (drv: { buildFlags = (drv.buildFlags or []) ++ [x]; });
   appendBuildFlags = drv: xs: overrideCabal drv (drv: { buildFlags = (drv.buildFlags or []) ++ xs; });
+
   /* removeConfigureFlag drv x is a Haskell package like drv, but with
      all cabal configure arguments that are equal to x removed.