diff --git a/check.sh b/check.sh
index db7486d..ac43138 100755
--- a/check.sh
+++ b/check.sh
@@ -78,6 +78,7 @@ tests='
 40-assignment-eval-echo
 
 41-dot
+42-sh
 
 50-iohere
 50-iohere-builtin
diff --git a/test/41-dot.stdout b/test/41-dot.stdout
new file mode 100644
index 0000000..a486f1a
--- /dev/null
+++ b/test/41-dot.stdout
@@ -0,0 +1,2 @@
+bar
+bar
diff --git a/test/42-sh.sh b/test/42-sh.sh
new file mode 100644
index 0000000..aeb1a25
--- /dev/null
+++ b/test/42-sh.sh
@@ -0,0 +1,2 @@
+sh test/data/script.sh
+echo $foo
diff --git a/test/42-sh.stdout b/test/42-sh.stdout
new file mode 100644
index 0000000..9972d7e
--- /dev/null
+++ b/test/42-sh.stdout
@@ -0,0 +1,2 @@
+bar
+
diff --git a/test/data/script.sh b/test/data/script.sh
index 74d0a43..4b4cd91 100644
--- a/test/data/script.sh
+++ b/test/data/script.sh
@@ -1 +1,2 @@
 foo=bar
+echo $foo