diff --git a/README.md b/README.md
index 3447ec1..8b90417 100644
--- a/README.md
+++ b/README.md
@@ -186,8 +186,8 @@ git config --global alias.mb "merge-base master HEAD"
 git config --global alias.ms "merge --squash"
 git config --global alias.pl "pull"
 git config --global alias.ps "push"
-git config --global alias.psc "push --set-upstream origin $(git rev-parse --abbrev-ref HEAD)"
-git config --global alias.psd "push origin :$(git rev-parse --abbrev-ref HEAD)"
+git config --global alias.psc '!sh -c "git push --set-upstream origin \$(git rev-parse --abbrev-ref HEAD)"'
+git config --global alias.psd '!sh -c "git push origin :\$(git rev-parse --abbrev-ref HEAD)"'
 git config --global alias.r "reset HEAD"
 git config --global alias.rb "rebase"
 git config --global alias.rba "rebase --abort"