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-rw-r--r--pkgs/development/libraries/criterion/default.nix2
1 files changed, 1 insertions, 1 deletions
diff --git a/pkgs/development/libraries/criterion/default.nix b/pkgs/development/libraries/criterion/default.nix
index c2721d3839a..3dc4b462404 100644
--- a/pkgs/development/libraries/criterion/default.nix
+++ b/pkgs/development/libraries/criterion/default.nix
@@ -30,7 +30,7 @@ stdenv.mkDerivation rec {
   cmakeFlags = [ "-DCTESTS=ON" ];
   doCheck = true;
   preCheck = ''
-    export LD_LIBRARY_PATH=`pwd`:$LD_LIBRARY_PATH
+    export LD_LIBRARY_PATH=`pwd`''${LD_LIBRARY_PATH:+:}$LD_LIBRARY_PATH
   '';
   checkTarget = "criterion_tests test";