diff --git a/lib/damask/config/material.py b/lib/damask/config/material.py
index b887856b3..a0d995a80 100644
--- a/lib/damask/config/material.py
+++ b/lib/damask/config/material.py
@@ -118,7 +118,7 @@ class Material():
   def __repr__(self):
     me = []
     for part in self.parts:
-      print('doing',part)
+      print('doing '+part)
       me += ['','#-----------------------------#','<%s>'%part,'#-----------------------------#',]
       for section in self.data[part]['__order__']:
         me += ['','[%s] %s'%(section,'-'*max(0,27-len(section))),'',]
@@ -263,4 +263,4 @@ def ex1():
     print(mat)
     mat.write(file='poop')
     mat.write(file='poop',overwrite=True)
-    
\ No newline at end of file
+