diff --git a/scripts/zshrc.sh b/scripts/zshrc.sh
index c86fd3b..abcffa8 100755
--- a/scripts/zshrc.sh
+++ b/scripts/zshrc.sh
@@ -287,8 +287,8 @@ modern-replace 'tar' 'gtar'
 # for ArchLinux compat
 modern-replace 'code' 'visual-studio-code-electron'
 
-# If podman exists and docker doesn't exist, alias docker=podman
-if ! command -v docker &> /dev/null && command -v podman &> /dev/null; then
+# If podman binary exists and docker binary doesn't exist, alias docker=podman
+if (( ! $+commands[docker] && $+commands[podman] )); then
     alias docker='podman'
     if command -v podman-compose &> /dev/null; then
         alias docker-compose='podman-compose'