diff --git a/t/bug78-case-insensitive.test b/t/bug78-case-insensitive.test
new file mode 100644
index 0000000..5943075
--- /dev/null
+++ b/t/bug78-case-insensitive.test
@@ -0,0 +1,8 @@
+#! /bin/bash
+cat <<---
+This test checks that case-insensitive sorting works.
+--
+
+nginx_start 'fancyindex_case_sensitive off;'
+content=$(fetch /case-sensitivity/)
+grep -A 999 '\<alice\>' <<< "${content}" | grep '\<Bob\>' # Bob is after alice
diff --git a/t/bug78-case-sensitive.test b/t/bug78-case-sensitive.test
new file mode 100644
index 0000000..ff9037d
--- /dev/null
+++ b/t/bug78-case-sensitive.test
@@ -0,0 +1,8 @@
+#! /bin/bash
+cat <<---
+This test checks that case-sensitive sorting works.
+--
+
+nginx_start 'fancyindex_case_sensitive on;'
+content=$(fetch /case-sensitivity/)
+grep -A 999 '\<Bob\>' <<< "${content}" | grep '\<alice\>' # alice is after Bob
diff --git a/t/case-sensitivity/Bob b/t/case-sensitivity/Bob
new file mode 100644
index 0000000..e69de29
diff --git a/t/case-sensitivity/alice b/t/case-sensitivity/alice
new file mode 100644
index 0000000..e69de29