diff --git a/scripts/kallsyms.c b/scripts/kallsyms.c
index 967522ab4f39..48afa2020b00 100644
--- a/scripts/kallsyms.c
+++ b/scripts/kallsyms.c
@@ -112,7 +112,7 @@ static int read_symbol(FILE *in, struct sym_entry *s)
 		return -1;
 	}
 	if (strlen(str) > KSYM_NAME_LEN) {
-		fprintf(stderr, "Symbol %s too long for kallsyms (%lu vs %d).\n"
+		fprintf(stderr, "Symbol %s too long for kallsyms (%zu vs %d).\n"
                                 "Please increase KSYM_NAME_LEN both in kernel and kallsyms.c\n",
 			str, strlen(str), KSYM_NAME_LEN);
 		return -1;