diff --git a/libs/caper/__init__.py b/libs/caper/__init__.py
index 3384d7d..0ebdccc 100644
--- a/libs/caper/__init__.py
+++ b/libs/caper/__init__.py
@@ -19,7 +19,7 @@ from caper.parsers.anime import AnimeParser
 from caper.parsers.scene import SceneParser
 
 
-__version_info__ = ('0', '2', '3')
+__version_info__ = ('0', '2', '4')
 __version_branch__ = 'master'
 
 __version__ = "%s%s" % (
diff --git a/libs/caper/helpers.py b/libs/caper/helpers.py
index 1a127c3..2b27e57 100644
--- a/libs/caper/helpers.py
+++ b/libs/caper/helpers.py
@@ -51,6 +51,18 @@ def clean_dict(target, remove=None):
     return target
 
 
+def update_dict(a, b):
+    for key, value in b.items():
+        if key not in a:
+            a[key] = value
+        elif isinstance(a[key], dict) and isinstance(value, dict):
+            update_dict(a[key], value)
+        elif isinstance(a[key], list):
+            a[key].append(value)
+        else:
+            a[key] = [a[key], value]
+
+
 def xrange_six(start, stop=None, step=None):
     if stop is not None and step is not None:
         if PY3:
diff --git a/libs/caper/matcher.py b/libs/caper/matcher.py
index 23fdcf9..c71da97 100644
--- a/libs/caper/matcher.py
+++ b/libs/caper/matcher.py
@@ -14,13 +14,16 @@
 
 import re
 from logr import Logr
-from caper.helpers import is_list_type
+from caper.helpers import is_list_type, update_dict
 
 
 class FragmentMatcher(object):
     def __init__(self, pattern_groups):
         self.regex = {}
 
+        self.construct_patterns(pattern_groups)
+
+    def construct_patterns(self, pattern_groups):
         for group_name, patterns in pattern_groups:
             if group_name not in self.regex:
                 self.regex[group_name] = []
@@ -120,7 +123,7 @@ class FragmentMatcher(object):
 
                     match = fragment_pattern.match(cur_fragment.value)
                     if match:
-                        result.update(match.groupdict())
+                        update_dict(result, match.groupdict())
                     else:
                         success = False
                         break
diff --git a/libs/caper/parsers/scene.py b/libs/caper/parsers/scene.py
index 224a282..44274eb 100644
--- a/libs/caper/parsers/scene.py
+++ b/libs/caper/parsers/scene.py
@@ -77,9 +77,12 @@ PATTERN_GROUPS = [
             'PDTV',
             'DSR',
             'DVDRiP',
-            'WEBDL'  # TODO support 'WEB.DL' tag
+            'WEBDL'
         ]),
 
+        # For 'WEB-DL', 'WEB DL', etc...
+        ('(?P<source>WEB)', '(?P<source>DL)'),
+
         (r'(?P<codec>%s)', [
             'x264',
             'XViD'
diff --git a/libs/caper/result.py b/libs/caper/result.py
index 6890021..4d57f89 100644
--- a/libs/caper/result.py
+++ b/libs/caper/result.py
@@ -95,7 +95,7 @@ class CaperResult(object):
                 self.chains.append(chain)
 
         for chain in self.chains:
-            chain.weights.append(chain.num_matched / float(max_matched))
+            chain.weights.append(chain.num_matched / float(max_matched or chain.num_matched))
             chain.finish()
 
         self.chains.sort(key=lambda chain: chain.weight, reverse=True)