diff --git a/graphios.py b/graphios.py
index 504c741..e50dcd7 100755
--- a/graphios.py
+++ b/graphios.py
@@ -130,6 +130,9 @@ def __init__(self):
         self.GRAPHITEPOSTFIX = ''       # graphios suffix
         self.VALID = False              # if this metric is valid
 
+        if 'metric_base_path' in cfg:
+            self.METRICBASEPATH = cfg['metric_base_path']
+
     def validate(self):
         # because we eliminated all whitespace, there shouldn't be any quotes
         # this happens more with windows nagios plugins