diff --git a/hashdiff b/hashdiff
index f9bb29e..4c22950 100755
--- a/hashdiff
+++ b/hashdiff
@@ -12,7 +12,7 @@
 file1=$1
 file2=$2
 
-if [ $(md5 -q ${file1}) == $(md5 -q ${file2}) ]
+if [ $(md5 -q "${file1}") == $(md5 -q "${file2}") ]
 then
     echo "identical"
 else