diff --git a/test/append-test-log.c b/test/append-test-log.c
index 99f476d..2e1a42e 100644
--- a/test/append-test-log.c
+++ b/test/append-test-log.c
@@ -29,6 +29,7 @@
 // Local Prototypes
 
 static void append_to_empty(TestState *);
+static void append_to_existing(TestState *);
 
 // Public Functions
 
@@ -37,6 +38,7 @@ test_append_test_log(TestState *s)
 {
 	print("append_test_log()\n");
 	append_to_empty(s);
+	append_to_existing(s);
 }
 
 // Local Functions
@@ -77,4 +79,23 @@ append_to_empty(TestState *s)
 	);
 }
 
+static void
+append_to_existing(TestState *s)
+{
+	TestState test;
+	TestLogEntry first, second;
+	print("\tappend to existing\n");
+
+	// build initial state/log
+	mk_sample_state(&test);
+	first.text = "foo";
+	first.next = &second;
+	second.text = "bar";
+	second.next = 0;
+	test.first_log = &first;
+	test.last_log = &second;
+
+	append_test_log(&test, "baz");
+}
+
 //jl