diff --git a/psutil/tests/test_linux.py b/psutil/tests/test_linux.py
index 72050b544..37b8d4065 100755
--- a/psutil/tests/test_linux.py
+++ b/psutil/tests/test_linux.py
@@ -1179,7 +1179,7 @@ def test_against_findmnt(self):
 
         def parse_findmnt(out):
             ls = []
-            out = sh(["findmnt", "--all", "--list"])
+            out = sh(["findmnt", "--all", "--list", "--nofsroot"])
             for line in out.splitlines()[1:]:
                 mountpoint, device, fstype, opts = line.split()
                 ls.append((device, mountpoint, fstype, opts))