diff --git a/scripts/nix-build.in b/scripts/nix-build.in
index a50901135e..c02f869bde 100755
--- a/scripts/nix-build.in
+++ b/scripts/nix-build.in
@@ -16,7 +16,9 @@ for i in "$@"; do
             ;;
         *)
             storeExpr=$(nix-instantiate "$i")
-            echo "store expression is $storeExpr" >&2
+            for j in $storeExpr; do
+                echo "store expression is $j" >&2
+            done
             nix-store -qnfv $extraArgs $storeExpr
             ;;
     esac