diff --git a/graph.py b/graph.py
index e04cce6..c49ca88 100644
--- a/graph.py
+++ b/graph.py
@@ -440,8 +440,7 @@ def servis_graph(session, fname='plot', output_ext='ascii'):
             [None]*5,
             y_titles,
             [None]*5,
-            [(0, 160)]*5,
-            [(0, 100)]*5,
+            y_ranges=[(0, 100)]*5,
             outpath=Path(fname),
             outputext=['html'],
             trimxvalues=False,