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-rw-r--r--pkgs/build-support/build-fhs-userenv/env.nix2
1 files changed, 1 insertions, 1 deletions
diff --git a/pkgs/build-support/build-fhs-userenv/env.nix b/pkgs/build-support/build-fhs-userenv/env.nix
index 295b17eec67c..8de43d5a9195 100644
--- a/pkgs/build-support/build-fhs-userenv/env.nix
+++ b/pkgs/build-support/build-fhs-userenv/env.nix
@@ -52,7 +52,7 @@ let
   etcProfile = writeText "profile" ''
     export PS1='${name}-chrootenv:\u@\h:\w\$ '
     export LOCALE_ARCHIVE='/usr/lib/locale/locale-archive'
-    export LD_LIBRARY_PATH="/run/opengl-driver/lib:/run/opengl-driver-32/lib:/usr/lib:/usr/lib32:$LD_LIBRARY_PATH"
+    export LD_LIBRARY_PATH="/run/opengl-driver/lib:/run/opengl-driver-32/lib:/usr/lib:/usr/lib32''${LD_LIBRARY_PATH:+:}$LD_LIBRARY_PATH"
     export PATH="/run/wrappers/bin:/usr/bin:/usr/sbin:$PATH"
     export TZDIR='/etc/zoneinfo'