diff --git a/test-notifications b/test-notifications
index 5e52fad..d223aa5 100755
--- a/test-notifications
+++ b/test-notifications
@@ -1,5 +1,5 @@
 #!/bin/sh
-which notify-send > /dev/null 2>&1 || exit 1
+command -v notify-send > /dev/null 2>&1 || exit 1
 notify-send -u low "Low Urgency Notification" "This is a simple test notification with low urgency. It's okay to ignore me, I guess."
 notify-send -u normal "Normal Urgency Notification" "This is another simple test notification with normal urgency. My information will help you work."
 notify-send -u critical "High Urgency Notification" "This notification really should grab your attention! It's important!"