2 files changed, 2 insertions, 2 deletions

diff --git a/mount.c b/mount.c
index 17517fe21..9c438bf6c 100644
--- a/mount.c
+++ b/mount.c
@@ -144,7 +144,7 @@ do_mount(char *specialfile, char *dir, char *filesystemtype,
                         }
                         if (!(flags & MS_RDONLY) && loro) {     /* loop is ro, but wanted rw */
                                 error_msg("WARNING: loop device is read-only");
-                                flags &= ~MS_RDONLY;
+                                flags |= MS_RDONLY;
                         }
                 }
 #endif
diff --git a/util-linux/mount.c b/util-linux/mount.c
index 17517fe21..9c438bf6c 100644
--- a/util-linux/mount.c
+++ b/util-linux/mount.c
@@ -144,7 +144,7 @@ do_mount(char *specialfile, char *dir, char *filesystemtype,
                         }
                         if (!(flags & MS_RDONLY) && loro) {     /* loop is ro, but wanted rw */
                                 error_msg("WARNING: loop device is read-only");
-                                flags &= ~MS_RDONLY;
+                                flags |= MS_RDONLY;
                         }
                 }
 #endif