diff --git a/test_cli.c b/test_cli.c
index cb28c45..3ff8db4 100644
--- a/test_cli.c
+++ b/test_cli.c
@@ -11,7 +11,7 @@
 static AppState g_state;
 
 static void test_dispatch(Action action) {
-    g_state = reducer(g_state, action);
+    reducer(&g_state, action);
 }
 
 static void test_cli_parse(void) {