diff --git a/juicer/juicer/Juicer.py b/juicer/juicer/Juicer.py
index <HASH>..<HASH> 100644
--- a/juicer/juicer/Juicer.py
+++ b/juicer/juicer/Juicer.py
@@ -404,7 +404,9 @@ class Juicer(object):
                     'type_ids': ['rpm'],
                     'filters': {
                         'unit': {
-                            'filename': rpm
+                            'filename': {
+                                "$regex": rpm
+                                }
                             }
                         }
                     }
Deleting with a regex seems to work better.