diff --git a/board/esd/cpci5200/cpci5200.c b/board/esd/cpci5200/cpci5200.c
index 36fcf7f..abac217 100644
--- a/board/esd/cpci5200/cpci5200.c
+++ b/board/esd/cpci5200/cpci5200.c
@@ -265,7 +265,7 @@
 	return pci_eth_init(bis);
 }
 
-int do_writepci(cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
+int do_writepci(cmd_tbl_t * cmdtp, int flag, int argc, char * const argv[])
 {
 	unsigned int addr;
 	unsigned int size;