diff --git a/youtube_dl/extractor/pluralsight.py b/youtube_dl/extractor/pluralsight.py
index 597b11218..80fdca123 100644
--- a/youtube_dl/extractor/pluralsight.py
+++ b/youtube_dl/extractor/pluralsight.py
@@ -171,7 +171,7 @@ class PluralsightIE(PluralsightBaseIE):
         for num, current in enumerate(subs):
             current = subs[num]
             start, text = (
-                float_or_none(dict_get(current, TIME_OFFSET_KEYS)),
+                float_or_none(dict_get(current, TIME_OFFSET_KEYS, skip_false_values=False)),
                 dict_get(current, TEXT_KEYS))
             if start is None or text is None:
                 continue