2 files changed, 4 insertions, 4 deletions
diff --git a/pkgs/development/haskell-modules/configuration-common.nix b/pkgs/development/haskell-modules/configuration-common.nix
index 52cc2f1e943..7b06628dbc7 100644
--- a/pkgs/development/haskell-modules/configuration-common.nix
+++ b/pkgs/development/haskell-modules/configuration-common.nix
@@ -745,7 +745,7 @@ self: super: {
           substituteInPlace conf.py --replace "'.md': CommonMarkParser," ""
         '';
         nativeBuildInputs = with pkgs.buildPackages.pythonPackages; [ sphinx recommonmark sphinx_rtd_theme ];
-        makeFlags = "html";
+        makeFlags = [ "html" ];
         installPhase = ''
           mv _build/html $out
         '';
diff --git a/pkgs/development/haskell-modules/configuration-nix.nix b/pkgs/development/haskell-modules/configuration-nix.nix
index 6886a35c0a8..9eedb0fed85 100644
--- a/pkgs/development/haskell-modules/configuration-nix.nix
+++ b/pkgs/development/haskell-modules/configuration-nix.nix
@@ -115,18 +115,18 @@ self: super: builtins.intersectAttrs super {
 
   hzk = overrideCabal super.hzk (drv: {
     preConfigure = "sed -i -e /include-dirs/d hzk.cabal";
-    configureFlags =  "--extra-include-dirs=${pkgs.zookeeper_mt}/include/zookeeper";
+    configureFlags = [ "--extra-include-dirs=${pkgs.zookeeper_mt}/include/zookeeper" ];
   });
 
   haskakafka = overrideCabal super.haskakafka (drv: {
     preConfigure = "sed -i -e /extra-lib-dirs/d -e /include-dirs/d haskakafka.cabal";
-    configureFlags =  "--extra-include-dirs=${pkgs.rdkafka}/include/librdkafka";
+    configureFlags = [ "--extra-include-dirs=${pkgs.rdkafka}/include/librdkafka" ];
   });
 
   # library has hard coded directories that need to be removed. Reported upstream here https://github.com/haskell-works/hw-kafka-client/issues/32
   hw-kafka-client = dontCheck (overrideCabal super.hw-kafka-client (drv: {
     preConfigure = "sed -i -e /extra-lib-dirs/d -e /include-dirs/d -e /librdkafka/d hw-kafka-client.cabal";
-    configureFlags =  "--extra-include-dirs=${pkgs.rdkafka}/include/librdkafka";
+    configureFlags = [ "--extra-include-dirs=${pkgs.rdkafka}/include/librdkafka" ];
   }));
 
   # Foreign dependency name clashes with another Haskell package.