diff --git a/psutil/tests/test_linux.py b/psutil/tests/test_linux.py
index 0c6d498c8..f5243c2cd 100755
--- a/psutil/tests/test_linux.py
+++ b/psutil/tests/test_linux.py
@@ -243,7 +243,8 @@ def test_total(self):
         # self.assertEqual(free_value, psutil_value)
         vmstat_value = vmstat('total memory') * 1024
         psutil_value = psutil.virtual_memory().total
-        self.assertAlmostEqual(vmstat_value, psutil_value)
+        self.assertAlmostEqual(
+            vmstat_value, psutil_value, delta=TOLERANCE_SYS_MEM)
 
     @retry_on_failure()
     def test_used(self):