diff --git a/bin/sway_lock b/bin/sway_lock
index d45a9a9..f6f79db 100755
--- a/bin/sway_lock
+++ b/bin/sway_lock
@@ -10,6 +10,12 @@ LOCK_APP=swaylock
 LOCK_ARGS=" -f -F -e -s fill -c 000000 --indicator-radius 100 --indicator-thickness 20"
 INHIBIT_FILE=$HOME/.inhibit_lock
 
+CONVERT=convert
+if which magick
+then
+    CONVERT="magick convert"
+fi
+
 function _clean() {
   for output in $(_outputs); do
     SCROT_FILE=${SCROT_FILE_BASE}_${output}.${SCROT_FILE_EXT}
@@ -49,8 +55,8 @@ 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
-    magick convert -scale 20% -blur 2x2 -resize 500% $SCROT_FILE $SCROT_FILE
-    magick convert -composite -gravity center $SCROT_FILE $LOCK_IMAGE $SCROT_FILE
+    $CONVERT -scale 20% -blur 2x2 -resize 500% $SCROT_FILE $SCROT_FILE
+    $CONVERT -composite -gravity center $SCROT_FILE $LOCK_IMAGE $SCROT_FILE
   done
 }