1 files changed, 2 insertions, 2 deletions
diff --git a/pkgs/games/steam/chrootenv.nix b/pkgs/games/steam/chrootenv.nix
index 9229f4fbc93e..4245704575c4 100644
--- a/pkgs/games/steam/chrootenv.nix
+++ b/pkgs/games/steam/chrootenv.nix
@@ -53,7 +53,7 @@ let
       echo "$runtime_paths"
       exit 0
     fi
-    export LD_LIBRARY_PATH="$runtime_paths:$LD_LIBRARY_PATH"
+    export LD_LIBRARY_PATH="$runtime_paths''${LD_LIBRARY_PATH:+:}$LD_LIBRARY_PATH"
     exec "$@"
   '';
 
@@ -260,7 +260,7 @@ in buildFHSUserEnv rec {
         exit 1
       fi
       shift
-      ${lib.optionalString (!nativeOnly) "export LD_LIBRARY_PATH=/lib32:/lib64:${lib.concatStringsSep ":" ldPath}:$LD_LIBRARY_PATH"}
+      ${lib.optionalString (!nativeOnly) "export LD_LIBRARY_PATH=/lib32:/lib64:${lib.concatStringsSep ":" ldPath}\${LD_LIBRARY_PATH:+:}$LD_LIBRARY_PATH"}
       exec -- "$run" "$@"
     '';
   };