diff --git a/include/drivers/io_semihosting.h b/include/drivers/io_semihosting.h
index eab290a..8902a6f 100644
--- a/include/drivers/io_semihosting.h
+++ b/include/drivers/io_semihosting.h
@@ -33,6 +33,6 @@
 
 struct io_dev_connector;
 
-int register_io_dev_sh(struct io_dev_connector **dev_con);
+int register_io_dev_sh(const struct io_dev_connector **dev_con);
 
 #endif /* __IO_SH_H__ */