diff --git a/test/common/event.c b/test/common/event.c
index bfbbf01..e77e020 100644
--- a/test/common/event.c
+++ b/test/common/event.c
@@ -91,7 +91,7 @@
 	struct test_state state;
 	struct udevice *dev;
 
-	if (!IS_ENABLED(SANDBOX))
+	if (!IS_ENABLED(CONFIG_SANDBOX))
 		return -EAGAIN;
 
 	state.val = 0;