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-rw-r--r--pkgs/development/haskell-modules/hackage-packages.nix2
1 files changed, 1 insertions, 1 deletions
diff --git a/pkgs/development/haskell-modules/hackage-packages.nix b/pkgs/development/haskell-modules/hackage-packages.nix
index 17d5c8968e655..1c760b056e04d 100644
--- a/pkgs/development/haskell-modules/hackage-packages.nix
+++ b/pkgs/development/haskell-modules/hackage-packages.nix
@@ -99684,7 +99684,7 @@ self: {
          sed -i "s|\"-s\"|\"\"|" ./Setup.hs
          sed -i "s|numJobs (bf bi)++||" ./Setup.hs
        '';
-       preBuild = ''export LD_LIBRARY_PATH=`pwd`/dist/build''${LD_LIBRARY_PATH:+:}$LD_LIBRARY_PATH'';
+       preBuild = "export LD_LIBRARY_PATH=`pwd`/dist/build\${LD_LIBRARY_PATH:+:}$LD_LIBRARY_PATH";
        description = "Grammatical Framework";
        license = "unknown";
        hydraPlatforms = lib.platforms.none;