diff --git a/evaluate-measure.sh b/evaluate-measure.sh
index 1bb589a87..0604157aa 100755
--- a/evaluate-measure.sh
+++ b/evaluate-measure.sh
@@ -121,7 +121,7 @@ BASE=$1
 [[ -z "$BASE" ]] && usage
 
 SUBJECT_TYPE_LOWER=$(echo $SUBJECT_TYPE | tr '[:upper:]' '[:lower:]')
-DATA=$(cat ${FILE} | base64 | tr -d '\n')
+DATA=$(base64 < "$FILE" | tr -d '\n')
 LIBRARY_URI=$(uuidgen | tr '[:upper:]' '[:lower:]')
 MEASURE_URI=$(uuidgen | tr '[:upper:]' '[:lower:]')