about summary refs log tree commit diff
path: root/pkgs/games/dwarf-fortress/dfhack/default.nix
diff options
context:
space:
mode:
Diffstat (limited to 'pkgs/games/dwarf-fortress/dfhack/default.nix')
-rw-r--r--pkgs/games/dwarf-fortress/dfhack/default.nix2
1 files changed, 1 insertions, 1 deletions
diff --git a/pkgs/games/dwarf-fortress/dfhack/default.nix b/pkgs/games/dwarf-fortress/dfhack/default.nix
index 544fa26b21cc..5706337dffd7 100644
--- a/pkgs/games/dwarf-fortress/dfhack/default.nix
+++ b/pkgs/games/dwarf-fortress/dfhack/default.nix
@@ -109,7 +109,7 @@ let
     '';
 
     preBuild = ''
-      export LD_LIBRARY_PATH="$PWD/depends/protobuf:$LD_LIBRARY_PATH"
+      export LD_LIBRARY_PATH="$PWD/depends/protobuf''${LD_LIBRARY_PATH:+:}$LD_LIBRARY_PATH"
     '';
 
     cmakeFlags = [ "-DDFHACK_BUILD_ARCH=${arch}" "-DDOWNLOAD_RUBY=OFF" ]