diff --git a/fsck/inject.c b/fsck/inject.c
index fab0e964..fed52691 100644
--- a/fsck/inject.c
+++ b/fsck/inject.c
@@ -434,7 +434,7 @@ static int inject_cp(struct f2fs_sb_info *sbi, struct inject_option *opt)
 	}
 
 	if (!strcmp(opt->mb, "checkpoint_ver")) {
-		MSG(0, "Info: inject checkpoint_ver of cp %d: 0x%llx -> 0x%lx\n",
+		MSG(0, "Info: inject checkpoint_ver of cp %d: 0x%llx -> 0x%llx\n",
 		    opt->cp, get_cp(checkpoint_ver), (u64)opt->val);
 		set_cp(checkpoint_ver, (u64)opt->val);
 	} else if (!strcmp(opt->mb, "ckpt_flags")) {
@@ -512,7 +512,7 @@ static int inject_nat(struct f2fs_sb_info *sbi, struct inject_option *opt)
 	int ret;
 
 	if (!IS_VALID_NID(sbi, opt->nid)) {
-		ERR_MSG("Invalid nid %u range [%u:%lu]\n", opt->nid, 0,
+		ERR_MSG("Invalid nid %u range [%u:%llu]\n", opt->nid, 0,
 			NAT_ENTRY_PER_BLOCK *
 			((get_sb(segment_count_nat) << 1) <<
 			 sbi->log_blocks_per_seg));