diff --git a/dnsapi/dns_fornex.sh b/dnsapi/dns_fornex.sh
index d1a10af814..91e5491b69 100644
--- a/dnsapi/dns_fornex.sh
+++ b/dnsapi/dns_fornex.sh
@@ -88,7 +88,7 @@ _get_root() {
 
   i=1
   while true; do
-    h=$(printf "%s" "$domain" | cut -d . -f $i-100)
+    h=$(printf "%s" "$domain" | cut -d . -f "$i"-100)
     _debug h "$h"
     if [ -z "$h" ]; then
       #not valid
diff --git a/dnsapi/dns_zoneedit.sh b/dnsapi/dns_zoneedit.sh
index 7ea16f7572..df01d8cf6f 100644
--- a/dnsapi/dns_zoneedit.sh
+++ b/dnsapi/dns_zoneedit.sh
@@ -100,7 +100,7 @@ _zoneedit_api() {
 
   # Execute request
   i=3 # Tries
-  while [ $i -gt 0 ]; do
+  while [ "$i" -gt 0 ]; do
     i=$(_math "$i" - 1)
 
     if ! response=$(_get "$geturl"); then