1 files changed, 6 insertions, 2 deletions
diff --git a/nixpkgs/pkgs/top-level/haskell-packages.nix b/nixpkgs/pkgs/top-level/haskell-packages.nix
index da70103ad6bd..8bea40efe64d 100644
--- a/nixpkgs/pkgs/top-level/haskell-packages.nix
+++ b/nixpkgs/pkgs/top-level/haskell-packages.nix
@@ -76,13 +76,17 @@ in {
       llvmPackages = pkgs.llvmPackages_9;
     };
     ghc901 = callPackage ../development/compilers/ghc/9.0.1.nix {
-      bootPkgs = packages.ghc8102Binary;
+      # aarch64 ghc8102Binary exceeds max output size on hydra
+      bootPkgs = if stdenv.isAarch64 || stdenv.isAarch32 then
+          packages.ghc8102BinaryMinimal
+        else
+          packages.ghc8102Binary;
       inherit (buildPackages.python3Packages) sphinx;
       buildLlvmPackages = buildPackages.llvmPackages_10;
       llvmPackages = pkgs.llvmPackages_10;
     };
     ghcHEAD = callPackage ../development/compilers/ghc/head.nix {
-      bootPkgs = packages.ghc884; # no binary yet
+      bootPkgs = packages.ghc901; # no binary yet
       inherit (buildPackages.python3Packages) sphinx;
       buildLlvmPackages = buildPackages.llvmPackages_10;
       llvmPackages = pkgs.llvmPackages_10;