diff --git a/sdk/app_cpu1/common/drv/timing_manager.c b/sdk/app_cpu1/common/drv/timing_manager.c
index 472dd333..9a170fdc 100644
--- a/sdk/app_cpu1/common/drv/timing_manager.c
+++ b/sdk/app_cpu1/common/drv/timing_manager.c
@@ -5,7 +5,7 @@
 #include "usr/user_config.h"
 #include "xil_assert.h"
 #include "xil_exception.h"
-#include "xil_io.h"s
+#include "xil_io.h"
 #include "xil_printf.h"
 #include "xil_types.h"
 #include "xscugic.h"