diff --git a/ch32v003fun/ch32v003fun.h b/ch32v003fun/ch32v003fun.h
index c9b88cdaf0705899cc3c8c9b3d8533ff91995ab2..c8b7f99e89e11acee21c9f20ceec86d40a4523dd 100644
--- a/ch32v003fun/ch32v003fun.h
+++ b/ch32v003fun/ch32v003fun.h
@@ -18,7 +18,7 @@
 #define FUNCONF_USE_UARTPRINTF  0
 #define FUNCONF_SYSTICK_USE_HCLK 0      // Should systick be at 48 MHz or 6MHz?
 #define FUNCONF_TINYVECTOR 0            // If enabled, Does not allow normal interrupts.
-#define FUNCONF_UARTPRINTF_BAUD 115200  // Only used if FUNCONF_USE_UARTPRINTF is set.
+#define FUNCONF_UART_PRINTF_BAUD 115200 // Only used if FUNCONF_USE_UARTPRINTF is set.
 #define FUNCONF_DEBUGPRINTF_TIMEOUT 160000 // Arbitrary time units
 */
 
diff --git a/examples/uartdemo/funconfig.h b/examples/uartdemo/funconfig.h
index 8c1e7c730d1afa5fae2a4d3d117f9d2a16415c7c..2666f253b585d33aab80d2eee50c58dc68626b06 100644
--- a/examples/uartdemo/funconfig.h
+++ b/examples/uartdemo/funconfig.h
@@ -4,7 +4,7 @@
 #define CH32V003           1
 #define FUNCONF_USE_DEBUGPRINTF 0
 #define FUNCONF_USE_UARTPRINTF  1
-#define FUNCONF_UARTPRINTF_BAUD 115200
+#define FUNCONF_UART_PRINTF_BAUD 115200
 
 #endif