diff --git a/btrfsck.c b/btrfsck.c
index c5050888..a6d105ec 100644
--- a/btrfsck.c
+++ b/btrfsck.c
@@ -1134,12 +1134,14 @@ static int check_inode_recs(struct btrfs_root *root,
 		ret = check_root_dir(rec);
 		if (ret) {
 			fprintf(stderr, "root %llu root dir %llu error\n",
-				root->root_key.objectid, root_dirid);
+				(unsigned long long)root->root_key.objectid,
+				(unsigned long long)root_dirid);
 			error++;
 		}
 	} else {
 		fprintf(stderr, "root %llu root dir %llu not found\n",
-			root->root_key.objectid, root_dirid);
+			(unsigned long long)root->root_key.objectid,
+			(unsigned long long)root_dirid);
 	}
 
 	while (1) {
@@ -1160,7 +1162,8 @@ static int check_inode_recs(struct btrfs_root *root,
 		if (!rec->found_inode_item)
 			rec->errors |= I_ERR_NO_INODE_ITEM;
 		fprintf(stderr, "root %llu inode %llu errors %x\n",
-			root->root_key.objectid, rec->ino, rec->errors);
+			(unsigned long long) root->root_key.objectid,
+			(unsigned long long) rec->ino, rec->errors);
 		list_for_each_entry(backref, &rec->backrefs, list) {
 			if (!backref->found_dir_item)
 				backref->errors |= REF_ERR_NO_DIR_ITEM;
@@ -1170,7 +1173,8 @@ static int check_inode_recs(struct btrfs_root *root,
 				backref->errors |= REF_ERR_NO_INODE_REF;
 			fprintf(stderr, "\tunresolved ref dir %llu index %llu"
 				" namelen %u name %s filetype %d error %x\n",
-				backref->dir, backref->index,
+				(unsigned long long)backref->dir,
+				(unsigned long long)backref->index,
 				backref->namelen, backref->name,
 				backref->filetype, backref->errors);
 		}
diff --git a/extent-tree.c b/extent-tree.c
index cc8d1d78..d0ad017c 100644
--- a/extent-tree.c
+++ b/extent-tree.c
@@ -823,7 +823,8 @@ int btrfs_lookup_extent_ref(struct btrfs_trans_handle *trans,
 		goto out;
 	if (ret != 0) {
 		btrfs_print_leaf(root, path->nodes[0]);
-		printk("failed to find block number %Lu\n", bytenr);
+		printk("failed to find block number %Lu\n",
+			(unsigned long long)bytenr);
 		BUG();
 	}
 	l = path->nodes[0];
diff --git a/mkfs.c b/mkfs.c
index af7d12c9..4f959f74 100644
--- a/mkfs.c
+++ b/mkfs.c
@@ -388,7 +388,7 @@ int main(int ac, char **av)
 					fprintf(stderr, "File system size "
 						"%llu bytes is too small, "
 						"256M is required at least\n",
-						block_count);
+						(unsigned long long)block_count);
 					exit(1);
 				}
 				zero_end = 0;
diff --git a/print-tree.c b/print-tree.c
index cd21de1d..86033cf3 100644
--- a/print-tree.c
+++ b/print-tree.c
@@ -71,7 +71,7 @@ static int print_inode_ref_item(struct extent_buffer *eb, struct btrfs_item *ite
 		len = (name_len <= sizeof(namebuf))? name_len: sizeof(namebuf);
 		read_extent_buffer(eb, namebuf, (unsigned long)(ref + 1), len);
 		printf("\t\tinode ref index %llu namelen %u name: %.*s\n",
-		       index, name_len, len, namebuf);
+		       (unsigned long long)index, name_len, len, namebuf);
 		len = sizeof(*ref) + name_len;
 		ref = (struct btrfs_inode_ref *)((char *)ref + len);
 		cur += len;