diff --git a/src/basic/mountpoint-util.c b/src/basic/mountpoint-util.c
index 9dbe34ba4d..c813a4f56f 100644
--- a/src/basic/mountpoint-util.c
+++ b/src/basic/mountpoint-util.c
@@ -411,8 +411,8 @@ bool fstype_is_ro(const char *fstype) {
         /* All Linux file systems that are necessarily read-only */
         return STR_IN_SET(fstype,
                           "DM_verity_hash",
-                          "iso9660",
                           "erofs",
+                          "iso9660",
                           "squashfs");
 }