diff --git a/tests/functional/nars.sh b/tests/functional/nars.sh
index 106bd10fc..b2b6b2b1a 100755
--- a/tests/functional/nars.sh
+++ b/tests/functional/nars.sh
@@ -13,6 +13,17 @@ expectStderr 1 nix-store --restore "$TEST_ROOT/out" < duplicate.nar | grepQuiet
 # Check that nix-store --restore fails if the output already exists.
 expectStderr 1 nix-store --restore "$TEST_ROOT/out" < duplicate.nar | grepQuiet "path '.*/out/' already exists"
 
+rm -rf "$TEST_ROOT/out"
+echo foo > "$TEST_ROOT/out"
+expectStderr 1 nix-store --restore "$TEST_ROOT/out" < duplicate.nar | grepQuiet "cannot create directory.*File exists"
+
+rm -rf "$TEST_ROOT/out"
+ln -s "$TEST_ROOT/out2" "$TEST_ROOT/out"
+expectStderr 1 nix-store --restore "$TEST_ROOT/out" < duplicate.nar | grepQuiet "cannot create directory.*File exists"
+
+mkdir -p "$TEST_ROOT/out2"
+expectStderr 1 nix-store --restore "$TEST_ROOT/out" < duplicate.nar | grepQuiet "path '.*/out/' already exists"
+
 # Check whether restoring and dumping a NAR that contains case
 # collisions is round-tripping, even on a case-insensitive system.
 rm -rf "$TEST_ROOT/case"