diff --git a/slapos/tests/collect.py b/slapos/tests/collect.py
index 6dff11e9135127db5b034145ed034f784a385800..c4363f18f759a8c582f0c8a90fc0b3811164005f 100644
--- a/slapos/tests/collect.py
+++ b/slapos/tests/collect.py
@@ -279,9 +279,9 @@ class TestCollectReport(unittest.TestCase):
                          '%s/system_cpu_percent.csv' % self.instance_root,
                          '%s/system_net_out_bytes.csv' % self.instance_root,
                          '%s/system_net_in_bytes.csv' % self.instance_root,
-                         '%s/system_disk_memory_free_sdx1.csv' % self.instance_root,
+                         '%s/system_disk_memory_free__dev_sdx1.csv' % self.instance_root,
                          '%s/system_net_out_errors.csv' % self.instance_root,
-                         '%s/system_disk_memory_used_sdx1.csv' % self.instance_root,
+                         '%s/system_disk_memory_used__dev_sdx1.csv' % self.instance_root,
                          '%s/system_net_out_dropped.csv' % self.instance_root,
                          '%s/system_memory_free.csv' % self.instance_root,
                          '%s/system_net_in_errors.csv' % self.instance_root,