diff --git a/shuffle.sh b/shuffle.sh
index 52054aa..382e636 100755
--- a/shuffle.sh
+++ b/shuffle.sh
@@ -1,13 +1,13 @@
 #!/bin/bash
-SOURCE_DIR=$(dirname -- "${BASH_SOURCE[0]}")
+SOURCE_DIR="$(dirname -- "${BASH_SOURCE[0]}")"
 
-EXTRACTION_DIR=$SOURCE_DIR/selection/
-SFW_DIR=$SOURCE_DIR/alternative/
+EXTRACTION_DIR="$SOURCE_DIR/selection/"
+SFW_DIR="$SOURCE_DIR/alternative/"
 
-EXTRACTED_FILE=$(find -L $SOURCE_DIR/selection/ -type f | shuf -n 1)
+EXTRACTED_FILE="$(find -L $SOURCE_DIR/selection/ -type f | shuf -n 1)"
 
 magick $EXTRACTED_FILE $SOURCE_DIR/selected.jpg
 
 if [ "$OVERRIDE_SFW" = "1" ]; then
-	magick $(find -L $SFW_DIR -type f | shuf -n 1) $SOURCE_DIR/selected.jpg
+	magick "$(find -L $SFW_DIR -type f | shuf -n 1)" $SOURCE_DIR/selected.jpg
 fi