diff --git a/tests/runfiles/linux.run b/tests/runfiles/linux.run
index bc2373b70..e68d69831 100644
--- a/tests/runfiles/linux.run
+++ b/tests/runfiles/linux.run
@@ -174,7 +174,6 @@ tests = ['zfs_send_001_pos', 'zfs_send_002_pos', 'zfs_send_003_pos',
 # DISABLED:
 # mountpoint_003_pos - needs investigation
 # ro_props_001_pos - https://github.com/zfsonlinux/zfs/issues/5201
-# readonly_001_pos - needs investigation
 # user_property_002_pos - needs investigation
 [tests/functional/cli_root/zfs_set]
 tests = ['cache_001_pos', 'cache_002_neg', 'canmount_001_pos',
@@ -182,7 +181,7 @@ tests = ['cache_001_pos', 'cache_002_neg', 'canmount_001_pos',
     'checksum_001_pos', 'compression_001_pos', 'mountpoint_001_pos',
     'mountpoint_002_pos', 'reservation_001_neg',
     'share_mount_001_neg', 'snapdir_001_pos', 'onoffs_001_pos',
-    'user_property_001_pos', 'user_property_003_neg',
+    'user_property_001_pos', 'user_property_003_neg', 'readonly_001_pos',
     'user_property_004_pos', 'version_001_neg', 'zfs_set_001_neg',
     'zfs_set_002_neg', 'zfs_set_003_neg', 'property_alias_001_pos']