diff --git a/drivers/ssb/driver_mipscore.c b/drivers/ssb/driver_mipscore.c
index 33b37dac40bd..8b64f82e1c6a 100644
--- a/drivers/ssb/driver_mipscore.c
+++ b/drivers/ssb/driver_mipscore.c
@@ -18,7 +18,7 @@
 
 #include "ssb_private.h"
 
-static const char *part_probes[] = { "bcm47xxpart", NULL };
+static const char * const part_probes[] = { "bcm47xxpart", NULL };
 
 static struct physmap_flash_data ssb_pflash_data = {
 	.part_probe_types	= part_probes,