diff --git a/nanoFramework.System.Net/NetworkInformation/Wireless80211Configuration.cs b/nanoFramework.System.Net/NetworkInformation/Wireless80211Configuration.cs
index e4f502e..3007706 100644
--- a/nanoFramework.System.Net/NetworkInformation/Wireless80211Configuration.cs
+++ b/nanoFramework.System.Net/NetworkInformation/Wireless80211Configuration.cs
@@ -116,8 +116,8 @@ private void ValidateConfiguration()
             }
 
             // check password and SSID length
-            if ((_password.Length    >= MaxPasswordLength) || 
-                (_ssid.Length        >= MaxSsidLength))
+            if ((_password.Length    > MaxPasswordLength) || 
+                (_ssid.Length        > MaxSsidLength))
             {
 #pragma warning disable S3928 // OK to not include a meaningful message
                 throw new ArgumentOutOfRangeException();