diff --git a/scripts/init_cl.py b/scripts/init_cl.py
index 1e44100a301823a898369dcf7bf44c4fa69c6834..f67159fc865642dbe8c3b5b4e3e00a19b3f1eff9 100644
--- a/scripts/init_cl.py
+++ b/scripts/init_cl.py
@@ -4,12 +4,16 @@ if platform.machine()=='x86_64':
 else:
   sys.path.insert(0,os.getenv('DNG_ROOT')+'/lib/openstructure')
      
-from ost import io, mol, seq, gfx, conop, geom
+from ost import io, mol, seq, conop, geom
 import ost
 try: 
   from ost import img
 except ImportError:
   pass
+try:
+  from ost import gfx
+except ImportError:
+  pass
 ost.SetPrefixPath(os.getenv('DNG_ROOT'))
 def _InitRuleBasedBuilder():
   compound_lib_path=os.path.join(ost.GetSharedDataPath(), 'compounds.chemlib')