diff --git a/init.lua b/init.lua
index 69913b7..200fee8 100644
--- a/init.lua
+++ b/init.lua
@@ -225,7 +225,7 @@ function whiteip()
     if next(ipWhitelist) ~= nil then
         clientIp = getClientIp()
         for _,ip in pairs(ipWhitelist) do
-            if ip == clientIp or string.find(clientIp, ip) then
+            if ip == clientIp or string.find(clientIp, ip) == 1 then
                 return true
             end
         end
@@ -237,7 +237,7 @@ function blockip()
      if next(ipBlocklist) ~= nil then
         clientIp = getClientIp()
          for _,ip in pairs(ipBlocklist) do
-            if ip == clientIp or string.find(clientIp, ip) then
+            if ip == clientIp or string.find(clientIp, ip) == 1 then
                  ngx.exit(403)
                  return true
              end