diff --git a/.aliases/python.bash b/.aliases/python.bash
index 522a729..84218e7 100644
--- a/.aliases/python.bash
+++ b/.aliases/python.bash
@@ -3,5 +3,5 @@ alias mk-venv='python -m venv .venv'
 alias do-venv='. .venv/bin/activate'
 alias rm-venv='rm -rf .venv'
 
-command -v pdb > /dev/null || alias pdb='python -m pdb'
-command -v pip > /dev/null || alias pip='python -m pip'
+[ -n "$(command -v pdb)" ] || alias pdb='python -m pdb'
+[ -n "$(command -v pip)" ] || alias pip='python -m pip'