1 files changed, 1 insertions, 1 deletions
diff --git a/scripts/nix-copy-closure.in b/scripts/nix-copy-closure.in
index ca240d3ee..12a83cff9 100755
--- a/scripts/nix-copy-closure.in
+++ b/scripts/nix-copy-closure.in
@@ -63,7 +63,7 @@ while (@ARGV) {
         $includeOutputs = 1;
     }
     elsif ($arg eq "--show-progress") {
-        $progressViewer = "pv";
+        $progressViewer = "@pv@";
     }
     elsif ($arg eq "--dry-run") {
         $dryRun = 1;