diff --git a/getssl b/getssl
index bdd6611..9bd1d2d 100755
--- a/getssl
+++ b/getssl
@@ -73,10 +73,11 @@
 # 2016-06-20 added CHALLENGE_CHECK_TYPE variable to allow checks direct on https rather than http (1.07)
 # 2016-06-21 updated grep functions to run on MAC OS X (1.08)
 # 2016-06-11 updated to enable running on windows with cygwin (1.09)
+# 2016-07-02 Corrections to work with older slackware issue #56 (1.10)
 # ---------------------------------------------------------------------------
 
 PROGNAME=${0##*/}
-VERSION="1.09"
+VERSION="1.10"
 
 # defaults
 CODE_LOCATION="https://raw.githubusercontent.com/srvrco/getssl/master/getssl"
@@ -166,6 +167,12 @@ check_challenge_completion() { # checks with the ACME server if our challenge is
 
 check_getssl_upgrade() { # check if a more recent version of code is available available
   latestcode=$(curl --silent "$CODE_LOCATION")
+  errcode=$?
+  if [ $errcode -eq 60 ]; then
+    error_exit "your version of curl needs updating, as it does not support SNI (multiple SSL domains on a single IP)"
+  elif [ $errcode -gt 0 ]; then
+    error_exit "curl error : $errcode"
+  fi
   latestversion=$(echo "$latestcode" | os_grep VERSION= | head -1| awk -F'"' '{print $2}')
   latestvdec=$(echo "$latestversion"| tr -d '.')
   localvdec=$(echo "$VERSION"| tr -d '.' )
@@ -199,7 +206,7 @@ clean_up() { # Perform pre-exit housekeeping
     for dnsfile in $TEMP_DIR/dns_verify/*; do
       . "$dnsfile"
       debug "attempting to clean up DNS entry for $d"
-      $DNS_DEL_COMMAND "$d"
+      eval $DNS_DEL_COMMAND "$d"
     done
     shopt -u nullglob
   fi
@@ -399,7 +406,7 @@ reload_service() {  # Runs a command to reload services ( via ssh if needed)
       sleep 2
     else
       debug "running reload command $RELOAD_CMD"
-      $RELOAD_CMD
+      eval $RELOAD_CMD
       if [ $? -gt 0 ]; then
         error_exit "error running $RELOAD_CMD"
       fi
@@ -1015,7 +1022,7 @@ for d in $alldomains; do
     debug auth_key "$auth_key"
 
     debug "adding dns via command: $DNS_ADD_COMMAND $d $auth_key"
-    $DNS_ADD_COMMAND "$d" "$auth_key"
+    eval $DNS_ADD_COMMAND "$d" "$auth_key"
     if [ $? -gt 0 ]; then
       error_exit "DNS_ADD_COMMAND failed for domain $d"
     fi
@@ -1166,7 +1173,7 @@ if [[ $VALIDATE_VIA_DNS == "true" ]]; then
     check_challenge_completion "$uri" "$d" "$keyauthorization"
 
     debug "remove DNS entry"
-    $DNS_DEL_COMMAND "$d"
+    eval $DNS_DEL_COMMAND "$d"
     # remove $dnsfile after each loop.
     rm -f "$dnsfile"
   done
@@ -1179,7 +1186,7 @@ debug "der $der"
 send_signed_request "$CA/acme/new-cert" "{\"resource\": \"new-cert\", \"csr\": \"$der\"}" "needbase64"
 
 # convert certificate information into correct format and save to file.
-CertData=$(os_grep -i -o '^Location.*' "$CURL_HEADER" |os_sed 's/\r//g'| cut -d " " -f 2)
+CertData=$(os_grep -i '^Location.*' "$CURL_HEADER" |os_sed 's/\r//g'| cut -d " " -f 2)
 if [ "$CertData" ] ; then
   echo -----BEGIN CERTIFICATE----- > "$CERT_FILE"
   curl --silent "$CertData" | openssl base64 -e  >> "$CERT_FILE"