diff --git a/check.sh b/check.sh
index 14ce24b..2026fd0 100755
--- a/check.sh
+++ b/check.sh
@@ -81,6 +81,7 @@ tests="
 50-redirect
 50-redirect-space
 50-redirect-in
+50-redirect-append
 
 60-function
 60-subst
diff --git a/test/50-redirect-append.sh b/test/50-redirect-append.sh
new file mode 100644
index 0000000..c6c8db9
--- /dev/null
+++ b/test/50-redirect-append.sh
@@ -0,0 +1,4 @@
+echo foo > bar
+echo foo >> bar
+cat bar
+rm bar
diff --git a/test/50-redirect-append.stdout b/test/50-redirect-append.stdout
new file mode 100644
index 0000000..0d55bed
--- /dev/null
+++ b/test/50-redirect-append.stdout
@@ -0,0 +1,2 @@
+foo
+foo