diff --git a/init/main.c b/init/main.c
index 86d894852bef8b4e25cddde0967d4f08a86ab269..6a74ba0892d223363bd7529d0a216c7f08bd399e 100644
--- a/init/main.c
+++ b/init/main.c
@@ -930,7 +930,7 @@ static initcall_entry_t *initcall_levels[] __initdata = {
 };
 
 /* Keep these in sync with initcalls in include/linux/init.h */
-static char *initcall_level_names[] __initdata = {
+static const char *initcall_level_names[] __initdata = {
 	"pure",
 	"core",
 	"postcore",