diff --git a/Docker/utils.sh b/Docker/utils.sh
index 500b01e..fbbd201 100644
--- a/Docker/utils.sh
+++ b/Docker/utils.sh
@@ -10,8 +10,8 @@ _get_pixel_color(){
   x=$1;
   y=$2;
   output_path="/tmp/$(mktemp -u XXXXXX).png"
-  scrot $output_path
-  magick $output_path -format "%[hex:p{$x,$y}]" info:
+  scrot "$output_path"
+  magick "$output_path" -format "%[hex:p{$x,$y}]" info:
   END=$(timestamp)
   DIFF=$(echo "$END - $START" | bc)
   echo "{\"getting_pixel_color_took\": \"${DIFF}ms\"}" > /dev/stderr