diff --git a/bspwm/.config/scripts/blurlock.sh b/bspwm/.config/scripts/blurlock.sh
index 439db91..c3743b9 100755
--- a/bspwm/.config/scripts/blurlock.sh
+++ b/bspwm/.config/scripts/blurlock.sh
@@ -9,4 +9,10 @@
 #convert -brightness-contrast -50x-40 $TMP $TMP
 #scrot $TMP -e 'convert -resize 20% -fill "#282828" -colorize 50% -blur 0x1 -resize 500% $f '"$TMP"
 #convert -gravity Center -composite $TMP ~/.config/lock.png $TMP
+
+if [ -n "$(pgrep i3lock)" ]; then
+    echo "i3lock already running. Aborting" >&2
+    exit 1
+fi
+
 exec i3lock -u -i ~/.config/lockimage.png -c 000000