diff --git a/pkgs/build-support/cabal/default.nix b/pkgs/build-support/cabal/default.nix
index dd1c2a76d19..4466b7b19b8 100644
--- a/pkgs/build-support/cabal/default.nix
+++ b/pkgs/build-support/cabal/default.nix
@@ -115,11 +115,11 @@
                   continue;
                 fi
                 if [ -d "$p/include" ]; then
-                  extraConfigureFlags+=" --extra-include-dir=$p/include"
+                  extraConfigureFlags+=" --extra-include-dirs=$p/include"
                 fi
                 for d in lib{,64}; do
                   if [ -d "$p/$d" ]; then
-                    extraConfigureFlags+=" --extra-lib-dir=$p/$d"
+                    extraConfigureFlags+=" --extra-lib-dirs=$p/$d"
                   fi
                 done
               done