diff --git a/extensions/fablabchemnitz/my-gradients.svg b/extensions/fablabchemnitz/my-gradients.svg
deleted file mode 100644
index 98aff73c..00000000
--- a/extensions/fablabchemnitz/my-gradients.svg
+++ /dev/null
@@ -1,4 +0,0 @@
-<?xml version='1.0' encoding='utf-8'?>
-<svg xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd" xmlns:cc="http://creativecommons.org/ns#" xmlns:ccOLD="http://web.resource.org/cc/" xmlns:svg="http://www.w3.org/2000/svg" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape" xmlns:xlink="http://www.w3.org/1999/xlink">
-  <defs/>
-</svg>
diff --git a/extensions/fablabchemnitz/strokecolor_as_fill.py b/extensions/fablabchemnitz/strokecolor_as_fill.py
index cf988144..082ba076 100644
--- a/extensions/fablabchemnitz/strokecolor_as_fill.py
+++ b/extensions/fablabchemnitz/strokecolor_as_fill.py
@@ -31,7 +31,7 @@ import sys
 import re
 from lxml import etree
 
-class StrokeColorAsFill(inkex.Effect):
+class StrokeColorAsFill(inkex.EffectExtension):
     def __init__(self):
         inkex.Effect.__init__(self)
         self.arg_parser.add_argument("--tab", help="The selected UI-tab")
@@ -42,7 +42,7 @@ class StrokeColorAsFill(inkex.Effect):
         self.arg_parser.add_argument("--fill_stroke_convert_unset",  type=inkex.Boolean, default=True, help="Convert 'Unset' property")
         self.arg_parser.add_argument("--nodash", type=inkex.Boolean, default="false", help="Fix dash-stroke to alow no line only markers")
 
-    def color_swaper(self, element):
+    def color_swapper(self, element):
         if element.tag == inkex.addNS('g', 'svg'):
             for e in element:
                 self.color_swaper(e)
@@ -104,7 +104,7 @@ class StrokeColorAsFill(inkex.Effect):
         sys.stdout = sys.stderr
         svg = self.document.getroot()
         for id, element in self.svg.selected.items():
-            self.color_swaper(element)
+            self.color_swapper(element)
         sys.stdout = saveout
 
 if __name__ == '__main__':