In a ratings shakeup in the cable news universe, for the first time in 17 years MSNBC beat Fox News in the key news demo of viewers 25-54 for the week of Dec. 17-21.

MSNBC also came out on top in total viewers for the period, NBCUniversal reports. MSNBC reportedly averaged almost 1.56 million total viewers to 1.54 million for Fox News and 975,000 for CNN. The announcement cites Nielsen Media Research data for total day, 6 a.m.-2 a.m., for the weekday period, Monday-Friday.

Fox News was reportedly third in the 25-54 demo behind No. 1 MSNBC and second place CNN. One of the key players for Fox News, Sean Hannity, had the week off.

The announcement notes that MSNBC’s “The Rachel Maddow Show” was the No. 1 cable news program in total viewers and adults 25-54 for the week.

MSNBC reportedly won prime time, both in total viewers and in adults 25-54, over FNC and CNN for the fourth consecutive week.

Click here for additional details in the NBCUniversal announcement.