diff --git a/pash b/pash
index f1a9ecc..51e96ce 100755
--- a/pash
+++ b/pash
@@ -61,7 +61,7 @@ pw_gen() {
     mapfile -tn "${length:=50}" rand </dev/urandom
 
     [[ $plain ]] &&
-        glob=[:alnum:]
+        glob='[:alnum:]'
 
     password=${rand[*]//[^${glob:-[:graph:]}]}
     password=${password:0:$length}