diff --git a/youtube_dl/extractor/kaltura.py b/youtube_dl/extractor/kaltura.py
index 5c4d797c3..783b25b49 100644
--- a/youtube_dl/extractor/kaltura.py
+++ b/youtube_dl/extractor/kaltura.py
@@ -117,9 +117,13 @@ class KalturaIE(InfoExtractor):
                         (?P<q1>['"])wid(?P=q1)\s*:\s*
                         (?P<q2>['"])_?(?P<partner_id>(?:(?!(?P=q2)).)+)(?P=q2),.*?
                         (?P<q3>['"])entry_?[Ii]d(?P=q3)\s*:\s*
-                        (?P<q4>['"])(?P<id>(?:(?!(?P=q4)).)+)(?P=q4)(?:,.*?
-                        (?P<q5>['"])ks(?P=q5)\s*:\s*
-                        (?P<q6>['"])(?P<ks>(?:(?!(?P=q6)).)+)(?P=q6))?(?:,|\s*\})
+                        (?P<q4>['"])(?P<id>(?:(?!(?P=q4)).)+)(?P=q4)
+                        (?:
+                            ,.*?
+                            (?P<q5>['"])ks(?P=q5)\s*:\s*
+                            (?P<q6>['"])(?P<ks>(?:(?!(?P=q6)).)+)(?P=q6)
+                        )?
+                        (?:,|\s*\})
                 """, webpage) or
             re.search(
                 r'''(?xs)