diff --git a/CHANGELOG b/CHANGELOG
index ebbd1d2b..5b9e7ee8 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -23,3 +23,6 @@ sugestion.
 
 2009-12-16 r144 Issue #122 - Infinite loop when most recent ticket was 
 opened in December. Thanks to Chris Vigelius for the report.
+
+2009-12-16 r145 issue #123 - Google Chart doesn't show when there is a large
+volume of data in the system. This patch restricts the chart to 1000px wide.
diff --git a/lib.py b/lib.py
index 2e43c0a6..5906eb97 100644
--- a/lib.py
+++ b/lib.py
@@ -145,7 +145,7 @@ def line_chart(data):
 
 
     # Set width to '65px * number of months + 100 for headings.'.
-    chart_url = 'http://chart.apis.google.com/chart?cht=lc&chs=%sx150&chd=t:' % (len(column_headings)*65+100)
+    chart_url = 'http://chart.apis.google.com/chart?cht=lc&chs=%sx150&chd=t:' % (min(len(column_headings)*65+100, 1000))
     first_row = True
     row_headings = []
     for row in data[1:]:
@@ -190,7 +190,7 @@ def bar_chart(data):
 
 
     # Set width to '220px * number of months'.
-    chart_url = 'http://chart.apis.google.com/chart?cht=bvg&chs=%sx150&chd=t:' % (len(column_headings) * 220)
+    chart_url = 'http://chart.apis.google.com/chart?cht=bvg&chs=%sx150&chd=t:' % (min(len(column_headings) * 220, 1000))
     first_row = True
     row_headings = []
     for row in data[1:]: