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-rw-r--r--lib/axlsx/drawing/area_chart.rb2
-rw-r--r--lib/axlsx/drawing/line_chart.rb2
2 files changed, 2 insertions, 2 deletions
diff --git a/lib/axlsx/drawing/area_chart.rb b/lib/axlsx/drawing/area_chart.rb
index 8a01f9f5..1d26a8fc 100644
--- a/lib/axlsx/drawing/area_chart.rb
+++ b/lib/axlsx/drawing/area_chart.rb
@@ -63,7 +63,7 @@ module Axlsx
# chart based on the actual class type and not a fixed node name.
# @return [String]
def node_name
- path = self.class.to_s
+ path = self.class.name
if i = path.rindex('::')
path = path[(i + 2)..-1]
end
diff --git a/lib/axlsx/drawing/line_chart.rb b/lib/axlsx/drawing/line_chart.rb
index 14577900..c922de78 100644
--- a/lib/axlsx/drawing/line_chart.rb
+++ b/lib/axlsx/drawing/line_chart.rb
@@ -63,7 +63,7 @@ module Axlsx
# chart based on the actual class type and not a fixed node name.
# @return [String]
def node_name
- path = self.class.to_s
+ path = self.class.name
if i = path.rindex('::')
path = path[(i + 2)..-1]
end