diff --git a/python/dune/perftool/pdelab/geometry.py b/python/dune/perftool/pdelab/geometry.py
index a920f575700517fc9e1aec5d9fff099e653b2ca6..63ffcd08ad8362c276b54034f9bc4a4e7a74ca47 100644
--- a/python/dune/perftool/pdelab/geometry.py
+++ b/python/dune/perftool/pdelab/geometry.py
@@ -35,7 +35,7 @@ def name_reference_element():
 def define_localcenter(name):
     reference_element = name_reference_element()
     # Note: position(i,c) stands for the barycenter of the i-th subentity of codimension c"
-    return  "auto {} = {}.position(0,0);".format(name, reference_element)
+    return "auto {} = {}.position(0,0);".format(name, reference_element)
 
 
 def name_localcenter():
diff --git a/python/dune/perftool/tools.py b/python/dune/perftool/tools.py
index 104c7ebd404d8628a56cba52fa53cae7e828bf4a..f528afcd8459538d49f7777429fa52dd6318b253 100644
--- a/python/dune/perftool/tools.py
+++ b/python/dune/perftool/tools.py
@@ -12,4 +12,4 @@ def get_pymbolic_basename(expr):
     if isinstance(expr, Subscript):
         return get_pymbolic_basename(expr.aggregate)
 
-    raise NotImplementedError("Cannot determine basename of {}".format(expr))
\ No newline at end of file
+    raise NotImplementedError("Cannot determine basename of {}".format(expr))