diff --git a/solox/__init__.py b/solox/__init__.py
index 2eb1477..88decb3 100644
--- a/solox/__init__.py
+++ b/solox/__init__.py
@@ -2,4 +2,4 @@
 
 from __future__ import absolute_import
 
-__version__ = '2.8.0'
+__version__ = '2.8.1'
diff --git a/solox/public/apm.py b/solox/public/apm.py
index 587b699..13d8e00 100644
--- a/solox/public/apm.py
+++ b/solox/public/apm.py
@@ -54,7 +54,7 @@ def getTotalCpuStat(self):
             toks = line.split()
             if toks[1] in ['', ' ']:
                 toks.pop(1)
-            for i in range(1, 7):
+            for i in range(1, 8):
                 totalCpu += float(toks[i])
         return float(totalCpu)
 
diff --git a/solox/public/apm_pk.py b/solox/public/apm_pk.py
index 975f28c..ee5db56 100644
--- a/solox/public/apm_pk.py
+++ b/solox/public/apm_pk.py
@@ -38,7 +38,7 @@ def getTotalCpuStat(self, deviceId):
             toks = line.split()
             if toks[1] in ['', ' ']:
                 toks.pop(1)
-            for i in range(1, 7):
+            for i in range(1, 8):
                 totalCpu += float(toks[i])
         return float(totalCpu)