diff --git a/event_screensaver b/event_screensaver
index ec2e619..1e99392 100644
--- a/event_screensaver
+++ b/event_screensaver
@@ -1,7 +1,18 @@
 #!/bin/sh
 
+is_screen_locked()
+{
+  if dbus-send --session --dest=org.freedesktop.ScreenSaver --type=method_call --print-reply /org/freedesktop/ScreenSaver org.freedesktop.ScreenSaver.GetActive | grep 'boolean true' > /dev/null; then
+    return 0
+  else
+    return 1
+  fi
+}
+
 # Sleep to timeout
 sleep 15
 
-# Disable screens
-xset dpms force off
+if is_screen_locked; then
+    # Disable screens
+    xset dpms force off
+fi