diff --git a/apps/plugins/codebuster.c b/apps/plugins/codebuster.c
index 0fd1234..27cf014 100644
--- a/apps/plugins/codebuster.c
+++ b/apps/plugins/codebuster.c
@@ -130,7 +130,7 @@ struct mm_line guesses[MAX_GUESSES_COUNT];

 /* Alias for pluginlib_getaction */
 static inline int get_button(void) {
-    return pluginlib_getaction(TIMEOUT_BLOCK, plugin_contexts, 2);
+    return pluginlib_getaction(TIMEOUT_BLOCK, plugin_contexts, ARRAYLEN(plugin_contexts));
 }

 /* Computes the margin to center an element */