diff --git a/share/functions/fish_git_prompt.fish b/share/functions/fish_git_prompt.fish
index 361d404a1..1c2ec6182 100644
--- a/share/functions/fish_git_prompt.fish
+++ b/share/functions/fish_git_prompt.fish
@@ -181,7 +181,7 @@ if string match -q Darwin -- "$(uname)" && type -q xcode-select && type -q xcrun
         # git is installed, but on the first run it may be very slow as xcrun needs to populate the cache.
         # Kick it off in the background to populate the cache.
         command git --version &>/dev/null &
-        disown
+        disown $last_pid &>/dev/null
         function __fish_git_prompt_ready
             path is "$(xcrun --show-cache-path)" || return 1
             # git is ready, erase the function.