diff --git a/sources/ps.zsh b/sources/ps.zsh
index ca82a4d..3b9bd9f 100644
--- a/sources/ps.zsh
+++ b/sources/ps.zsh
@@ -1,3 +1,6 @@
 # :fzf-tab:complete:(\\|*/|)(kill|ps):argument-rest --preview-window=down:3:wrap
+if [[ $OSTYPE == darwin ]]; then
+  alias -g --no-headers='| head -n1'
+fi
 [[ $group == 'process ID' ]] &&
-  ps -p$word -wocmd --no-headers | bat -lsh
+  ps -p$word -wocommand --no-headers | bat -lsh