diff --git a/scripts/zshrc.sh b/scripts/zshrc.sh
index c86fd3b..1db50aa 100755
--- a/scripts/zshrc.sh
+++ b/scripts/zshrc.sh
@@ -287,10 +287,10 @@ 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
+    if (( $+commands[podman-compose] )); then
         alias docker-compose='podman-compose'
     fi
 fi