diff --git a/meta-tests.txt b/meta-tests.txt
index 3c8980c..0a9063d 100644
--- a/meta-tests.txt
+++ b/meta-tests.txt
@@ -3,6 +3,7 @@ subshell-simple
 subshell-undeclared
 subshell-source
 subshell-clean
+subshell-clean-undeclared
 subshell-export
 subshell-declare
 function-list
diff --git a/meta-tests/subshell-clean-undeclared.sh b/meta-tests/subshell-clean-undeclared.sh
new file mode 100755
index 0000000..56ba131
--- /dev/null
+++ b/meta-tests/subshell-clean-undeclared.sh
@@ -0,0 +1,10 @@
+#!/usr/bin/env bash
+
+source ./mo
+moExport
+env --ignore-environment << "EOF"
+source ./run-basic-tests
+if ! (( FAIL )); then
+    exit 1
+fi
+EOF