diff --git a/tests/checks/tmux-prompt.fish b/tests/checks/tmux-prompt.fish
index 1bcc273c9..71940a717 100644
--- a/tests/checks/tmux-prompt.fish
+++ b/tests/checks/tmux-prompt.fish
@@ -17,7 +17,7 @@ cd $tmpdir
 set -g tmux tmux -S .tmux-socket -f /dev/null
 
 set -g sleep sleep .1
-set -q CI && set sleep sleep 1
+set -q CI && set sleep sleep 10
 
 while set -e prompt_var
 end