New Democratic Party leader Jagmeet Singh, the most prolific Canadian politician on TikTok with almost 900,000 followers, has deactivated his profile in a move that will undermine his party’s attempts to engage with young voters through social media.

On Feb. 27, Prime Minister Justin Trudeau announced TikTok would be banned on all federal-issued government devices due to security concerns over the Chinese-owned platform.

Trudeau’s decision follows similar bans in the United States by governments at the federal and state level, and numerous universities last December.

Singh has characterized his deactivation as “taking a pause” from the app, leaving open the possibility of reactivating his TikTok account in the future once the security concerns are addressed.

But in the meantime, a government ban on TikTok poses significant challenges for politicians and political parties, like Singh and the NDP, that use the platform for digital strategy within a permanent campaign model.