diff --git a/lib/ext2fs/ext_attr.c b/lib/ext2fs/ext_attr.c
index 5a8d1ca..9c9ab1c 100644
--- a/lib/ext2fs/ext_attr.c
+++ b/lib/ext2fs/ext_attr.c
@@ -280,7 +280,7 @@ errcode_t ext2fs_set_entry_ext_attr(struct ext2_ext_attr_info *i,
 	}
 	free = min_offs - ((void *)last - s->base) - sizeof(__u32);
 	if (!s->not_found) {
-		if (!s->here->e_value_block & s->here->e_value_size) {
+		if (!s->here->e_value_block && s->here->e_value_size) {
 			size_t size = ext2fs_le32_to_cpu(s->here->e_value_size);
 			free += EXT2_EXT_ATTR_SIZE(size);
 		}