diff --git a/scripts/service_controls.php b/scripts/service_controls.php
index e81952b..8655bcb 100644
--- a/scripts/service_controls.php
+++ b/scripts/service_controls.php
@@ -74,7 +74,7 @@
     <button type="submit" name="submit" value="sudo systemctl enable --now spectrogram_viewer.service">Enable</button>
   </form>
   <form action="" method="GET">
-    <button type="submit" name="submit" value="stop_core_services.sh">Stop Core Services</button>
+    <button type="submit" name="submit" value="stop_core_services.sh" onclick="return confirm('This will take about 90 seconds.')">Stop Core Services</button>
   </form>	
   <form action="" method="GET">
     <button type="submit" name="submit" value="restart_services.sh" onclick="return confirm('This will take about 90 seconds.')">Restart All Services</button>