diff --git a/pym/cl_utils.py b/pym/cl_utils.py
index c6f2915..2d04135 100644
--- a/pym/cl_utils.py
+++ b/pym/cl_utils.py
@@ -872,12 +872,18 @@ def getPkgUses(fullpkg):
         return None
     usePath = os.path.join(pkgCategory,packages[-1]['PF'],"USE")
     iusePath = os.path.join(pkgCategory,packages[-1]['PF'],"IUSE")
+    iuse = open(iusePath,'r').read().strip().split() \
+           if os.path.exists(iusePath) else \
+           []
+    use = open(usePath,'r').read().strip().split() \
+           if os.path.exists(usePath) else \
+           []
     return (map(lambda x:x[1:] if x.startswith("+") else x,
             filter(lambda x:x,
-            open(usePath,'r').read().strip().split())),
+            use)),
             map(lambda x:x[1:] if x.startswith("+") else x,
             filter(lambda x:x,
-            open(iusePath,'r').read().strip().split())))
+            iuse)))
 
 def getPkgActiveUses(fullpkg):
     """Get active uses from package"""