diff --git a/youtube_dl/extractor/limelight.py b/youtube_dl/extractor/limelight.py
index 2599d45c37..8dbc940a7f 100644
--- a/youtube_dl/extractor/limelight.py
+++ b/youtube_dl/extractor/limelight.py
@@ -123,7 +123,7 @@ class LimelightBaseIE(InfoExtractor):
 
 class LimelightMediaIE(LimelightBaseIE):
     IE_NAME = 'limelight'
-    _VALID_URL = r'(?:limelight:media:|https?://link\.videoplatform\.limelight\.com/media/\??\bmediaId=)(?P<id>[a-z0-9]{32})'
+    _VALID_URL = r'(?:limelight:media:|https?://link\.videoplatform\.limelight\.com/media/\?.*?\bmediaId=)(?P<id>[a-z0-9]{32})'
     _TESTS = [{
         'url': 'http://link.videoplatform.limelight.com/media/?mediaId=3ffd040b522b4485b6d84effc750cd86',
         'info_dict': {
@@ -176,7 +176,7 @@ class LimelightMediaIE(LimelightBaseIE):
 
 class LimelightChannelIE(LimelightBaseIE):
     IE_NAME = 'limelight:channel'
-    _VALID_URL = r'(?:limelight:channel:|https?://link\.videoplatform\.limelight\.com/media/\??\bchannelId=)(?P<id>[a-z0-9]{32})'
+    _VALID_URL = r'(?:limelight:channel:|https?://link\.videoplatform\.limelight\.com/media/\?.*?\bchannelId=)(?P<id>[a-z0-9]{32})'
     _TEST = {
         'url': 'http://link.videoplatform.limelight.com/media/?channelId=ab6a524c379342f9b23642917020c082',
         'info_dict': {