diff --git a/DESTDIR/etc/security/pwquality.conf b/DESTDIR/etc/security/pwquality.conf
index 7c2ac5a..c8cb461 100644
--- a/DESTDIR/etc/security/pwquality.conf
+++ b/DESTDIR/etc/security/pwquality.conf
@@ -4,7 +4,7 @@ dcredit = 0
 ucredit = 0
 lcredit = 0
 ocredit = 0
-minclass = 0
+minclass = 1
 maxrepeat = 0
 maxsequence = 0
 maxclassrepeat = 0
diff --git a/common.sh b/common.sh
index 13e093e..fb2e7f6 100644
--- a/common.sh
+++ b/common.sh
@@ -110,6 +110,7 @@ _validate_email(){
 
 _pw_parse_conf() {
 	while read -r line; do
+		if [[ "$line" =~ ^# ]] || [ -z "$line" ]; then continue; fi
 		case "$line" in
 			*=*) echo "${line// /}" ;;
 			*)   echo "${line}=1"   ;;