diff --git a/libcpu/arm/zynqmp-r5/xil_mpu.c b/libcpu/arm/zynqmp-r5/xil_mpu.c
index 7115bbb0a6..9ab94a488b 100644
--- a/libcpu/arm/zynqmp-r5/xil_mpu.c
+++ b/libcpu/arm/zynqmp-r5/xil_mpu.c
@@ -64,7 +64,7 @@
 #include "xstatus.h"
 
 #include <rtthread.h>
-#define DBG_TAG           "xil_mpu"  
+#define DBG_TAG           "xil_mpu"
 #define DBG_LVL           DBG_INFO
 #include <rtdbg.h>