diff --git a/libs/subliminal_patch/providers/supersubtitles.py b/libs/subliminal_patch/providers/supersubtitles.py
index 9c9653a18..7add15277 100644
--- a/libs/subliminal_patch/providers/supersubtitles.py
+++ b/libs/subliminal_patch/providers/supersubtitles.py
@@ -229,6 +229,8 @@ class SuperSubtitlesProvider(Provider, ProviderSubtitleArchiveMixin):
                 continue
 
             result_title = result_title.strip().replace("�", "").replace(" ", ".")
+            if not result_title:
+                continue
 
             guessable = result_title.strip() + ".s01e01." + result_year
             guess = guessit(guessable, {'type': "episode"})
diff --git a/libs/subliminal_patch/providers/yifysubtitles.py b/libs/subliminal_patch/providers/yifysubtitles.py
index 3ec6a9e7b..21cc3eac9 100644
--- a/libs/subliminal_patch/providers/yifysubtitles.py
+++ b/libs/subliminal_patch/providers/yifysubtitles.py
@@ -96,7 +96,7 @@ class YifySubtitlesProvider(Provider):
 
     languages = {Language(l, c) for (_, l, c) in YifyLanguages}
     languages.update(set(Language.rebuild(l, hi=True) for l in languages))
-    server_urls = ['https://yifysubtitles.org', 'https://www.yifysubtitles.com']
+    server_urls = ['https://yifysubtitles.org']
     video_types = (Movie,)
 
     def initialize(self):
@@ -147,7 +147,9 @@ class YifySubtitlesProvider(Provider):
             if response.status_code == 200:
                 break
 
-        response.raise_for_status()
+        # 404 is returned if the imdb_id was not found
+        if response.status_code != 404:
+            response.raise_for_status()
 
         if response.status_code != 200:
             logger.debug('No subtitles found')