diff --git a/protege-dni.sh b/protege-dni.sh
index d64ddb2..5c13e75 100755
--- a/protege-dni.sh
+++ b/protege-dni.sh
@@ -28,17 +28,17 @@ TEXTO=$(zenity --entry --text="Escriba el mensaje a poner en la imagen" --entry-
 
 # Temporales Escalados
 echo "Preparando Imagenes temporales (escaladas).."
-convert $ANVERSO -resize 1011x638 -units PixelsPerInch -density 150 $AnvTMP 2>/dev/null
-convert $REVERSO -resize 1011x638 -units PixelsPerInch -density 150 $RevTMP 2>/dev/null
+convert "$ANVERSO" -resize 1011x638 -units PixelsPerInch -density 150 "$AnvTMP" 2>/dev/null
+convert "$REVERSO" -resize 1011x638 -units PixelsPerInch -density 150 "$RevTMP" 2>/dev/null
 
 echo "Ocultando, fijando texto y escala gris en ANVERSO"
-convert $AnvTMP -fill gray -draw  "rectangle $CAN" -fill gray -draw "rectangle $SOPORTE" -font helvetica -fill black -pointsize 30 -gravity center -annotate 0 "$TEXTO" -grayscale average -units PixelsPerInch -density 150 $AnvIMG
+convert "$AnvTMP" -fill gray -draw  "rectangle $CAN" -fill gray -draw "rectangle $SOPORTE" -font helvetica -fill black -pointsize 30 -gravity center -annotate 0 "$TEXTO" -grayscale average -units PixelsPerInch -density 150 "$AnvIMG"
 
 echo "Ocultando, fijando texto y escala gris en REVERSO"
-convert $RevTMP -fill gray -draw "rectangle $EQUIPO" -fill gray -draw "rectangle $PADRES" -fill gray -draw "rectangle $IDE" -font helvetica  -fill black -pointsize 30 -gravity center -annotate 0 "$TEXTO" -grayscale average -units PixelsPerInch -density 150 $RevIMG
+convert "$RevTMP" -fill gray -draw "rectangle $EQUIPO" -fill gray -draw "rectangle $PADRES" -fill gray -draw "rectangle $IDE" -font helvetica  -fill black -pointsize 30 -gravity center -annotate 0 "$TEXTO" -grayscale average -units PixelsPerInch -density 150 "$RevIMG"
 
 echo "Limpiando temporales..."
-rm $AnvTMP $RevTMP
+rm "$AnvTMP" "$RevTMP"
 
 echo
 echo "-----------------------------------------------"