diff --git a/test/append-test-log.c b/test/append-test-log.c
index ee35f8b..e548538 100644
--- a/test/append-test-log.c
+++ b/test/append-test-log.c
@@ -41,6 +41,7 @@ struct LogData
 
 static void append_to_empty(TestState *);
 static void append_to_existing(TestState *);
+static void a2e_chk_last(TestState *, LogData *);
 static void mk_log_data(LogData *);
 
 static void chk_ptr_chg(
@@ -116,14 +117,19 @@ append_to_existing(TestState *s)
 		&ld.first
 	);
 
-	// last should change
+	a2e_chk_last(s, &ld);
+}
+
+static void
+a2e_chk_last(TestState *s, LogData *ld)
+{
 	print("\t\tlast_log\n");
 	chk_ptr_chg(
 		s,
 		"\t\t\t",
 		"ERROR: append_test_log(): last_log:",
-		ld.state.last_log,
-		&ld.second
+		ld->state.last_log,
+		&ld->second
 	);
 }