diff --git a/tests/app_test_i2s_loopback/xua_conf.h b/tests/app_test_i2s_loopback/xua_conf.h
index 29316351..70298c70 100644
--- a/tests/app_test_i2s_loopback/xua_conf.h
+++ b/tests/app_test_i2s_loopback/xua_conf.h
@@ -23,6 +23,6 @@
 #define BCD_DEVICE 0x1234
 #define XUA_DFU_EN          0
 #define MIC_DUAL_ENABLED 1        //Use single thread, dual PDM mic
-#define MIC_ARRAY_FRAME_SIZE 240
+#define XUA_MIC_FRAME_SIZE 240
 
 #endif // __custom_defines_h__