diff --git a/include/tests_nameservices b/include/tests_nameservices
index fdf647e3..7b6cba17 100644
--- a/include/tests_nameservices
+++ b/include/tests_nameservices
@@ -28,7 +28,7 @@
 #
     BIND_RUNNING=0
     BIND_CONFIG_LOCS="/etc /etc/bind /usr/local/etc /usr/local/etc/namedb"
-    BIND_CONFIG_LOCATIONS=""
+    BIND_CONFIG_LOCATION=""
     POWERDNS_RUNNING=0
     POWERDNS_CONFIG_LOCS="/etc/powerdns /usr/local/etc"
     POWERDNS_AUTH_CONFIG_LOCATION=""
@@ -319,7 +319,7 @@
                 LogText "Result: found configuration file (${BIND_CONFIG_LOCATION})"
             fi
         done
-        if [ ! "${BIND_CONFIG_LOCATION}" = "" ]; then
+        if [ ! -z "${BIND_CONFIG_LOCATION}" ]; then
             Display --indent 4 --text "- Checking BIND configuration file" --result "${STATUS_FOUND}" --color GREEN
           else
             Display --indent 4 --text "- Checking BIND configuration file" --result "${STATUS_NOT_FOUND}" --color YELLOW