diff --git a/bbfreeze/getdeps.py b/bbfreeze/getdeps.py
index 4c22a86..5e520f6 100755
--- a/bbfreeze/getdeps.py
+++ b/bbfreeze/getdeps.py
@@ -81,6 +81,8 @@ def getImports(path):
         except Exception, err:
             print "WARNING: could not determine binary dependencies for %r:%s" % (path, err)
             dlls = []
+        finally:
+            pe.close()
         return dlls
 
     _bpath = None