diff --git a/tests/eval_scope.err b/tests/eval_scope.err
new file mode 100644
index 000000000..e69de29bb
diff --git a/tests/eval_scope.in b/tests/eval_scope.in
new file mode 100644
index 000000000..b5b89b7c0
--- /dev/null
+++ b/tests/eval_scope.in
@@ -0,0 +1,3 @@
+# Regression test for issue #4443
+eval set -l previously_undefined foo
+echo $previously_undefined
diff --git a/tests/eval_scope.out b/tests/eval_scope.out
new file mode 100644
index 000000000..257cc5642
--- /dev/null
+++ b/tests/eval_scope.out
@@ -0,0 +1 @@
+foo