diff --git a/completions/gdb b/completions/gdb
index 5edc704..1774c1d 100644
--- a/completions-core/gdb.bash
+++ b/completions-core/gdb.bash
@@ -35,7 +35,7 @@ _comp_cmd_gdb()
             )"
         fi
     elif ((cword == 2)); then
-        _comp_compgen_split -- "$(command ps axo comm,pid |
+        _comp_compgen_split -- "$(command ps -efo comm,pid |
             _comp_awk '{if ($1 ~ /^'"${prev##*/}"'/) print $2}')"
         compopt -o filenames
         _comp_compgen -a -- -f -X '!?(*/)core?(.?*)' -o plusdirs