diff --git a/pkgs/tools/misc/broot/default.nix b/pkgs/tools/misc/broot/default.nix
index 5d31570aacd..7ec0d533c0d 100644
--- a/pkgs/tools/misc/broot/default.nix
+++ b/pkgs/tools/misc/broot/default.nix
@@ -23,7 +23,7 @@ rustPlatform.buildRustPackage rec {
 
   postInstall = ''
     # install shell completion files
-    OUT_DIR=target/release/build/broot-*/out
+    OUT_DIR=$releaseDir/build/broot-*/out
 
     installShellCompletion --bash $OUT_DIR/{br,broot}.bash
     installShellCompletion --fish $OUT_DIR/{br,broot}.fish