diff --git a/bin/sway_lock b/bin/sway_lock
index 24f1f9c..280eaf5 100755
--- a/bin/sway_lock
+++ b/bin/sway_lock
@@ -3,9 +3,9 @@ source $HOME/.config/sway/bin/sway_helpers
 LOCK_IMAGE=$HOME/.config/sway/bin/lock.png
 MEDIA_APP=playerctl
 SCROT_APP=grim
-SCROT_APP_ARGS=" -t jpeg"
+SCROT_APP_ARGS=" -t png -l 0"
 SCROT_FILE_BASE=$HOME/.lockscreen
-SCROT_FILE_EXT=jpg
+SCROT_FILE_EXT=png
 LOCK_APP=swaylock
 LOCK_ARGS=" -f -F -e -s fill -c 000000 --indicator-radius 100 --indicator-thickness 20"
 INHIBIT_FILE=$HOME/.inhibit_lock
@@ -49,7 +49,7 @@ function _screenshot() {
     $SCROT_APP $SCROT_APP_ARGS -o $output $SCROT_FILE
     # convert -blur 0x5 $SCROT_FILE $SCROT_FILE
     # convert -motion-blur 15x15 $SCROT_FILE $SCROT_FILE
-    convert -scale 20% -blur 0x2.5 -resize 500% $SCROT_FILE $SCROT_FILE
+    convert -scale 20% -blur 2x2 -resize 500% $SCROT_FILE $SCROT_FILE
     convert -composite -gravity center $SCROT_FILE $LOCK_IMAGE $SCROT_FILE
   done
 }