diff --git a/acme.sh b/acme.sh
index 84b38068..6495a90e 100755
--- a/acme.sh
+++ b/acme.sh
@@ -1443,13 +1443,13 @@ _readSubjectAltNamesFromCSR() {
   _debug _dnsAltnames "$_dnsAltnames"
 
   # escape the wildcard '*' so it is not taken as a regex operator by grep/sed below
-  _excapedAlgnames="$(echo "$_dnsAltnames" | tr '*' '#')"
-  _debug _excapedAlgnames "$_excapedAlgnames"
+  _escapedAltnames="$(echo "$_dnsAltnames" | tr '*' '#')"
+  _debug _escapedAltnames "$_escapedAltnames"
   _escapedSubject="$(echo "$_csrsubj" | tr '*' '#')"
   _debug _escapedSubject "$_escapedSubject"
-  if _contains "$_excapedAlgnames," "DNS:$_escapedSubject,"; then
+  if _contains "$_escapedAltnames," "DNS:$_escapedSubject,"; then
     _debug "AltNames contains subject"
-    _dnsAltnames="$(echo "$_excapedAlgnames," | sed "s/DNS:$_escapedSubject,//g" | tr '#' '*' | sed "s/,\$//g")"
+    _dnsAltnames="$(echo "$_escapedAltnames," | sed "s/DNS:$_escapedSubject,//g" | tr '#' '*' | sed "s/,\$//g")"
     _debug _dnsAltnames "$_dnsAltnames"
   else
     _debug "AltNames doesn't contain subject"