diff --git a/BTCPayServer/Extensions.cs b/BTCPayServer/Extensions.cs
index 19e61beec..1d1736423 100644
--- a/BTCPayServer/Extensions.cs
+++ b/BTCPayServer/Extensions.cs
@@ -268,7 +268,9 @@ namespace BTCPayServer
         
         public static bool IsOnion(this Uri uri)
         {
-            return uri?.DnsSafeHost?.EndsWith(".onion", StringComparison.OrdinalIgnoreCase) is true;
+            if (uri == null || !uri.IsAbsoluteUri)
+                return false;
+            return uri.DnsSafeHost.EndsWith(".onion", StringComparison.OrdinalIgnoreCase);
         }
 
 
diff --git a/Build/Version.csproj b/Build/Version.csproj
index 5c813fd8b..a7ee9036c 100644
--- a/Build/Version.csproj
+++ b/Build/Version.csproj
@@ -1,5 +1,5 @@
 <Project>
   <PropertyGroup>
-		<Version>1.0.3.160</Version>
+		<Version>1.0.3.161</Version>
   </PropertyGroup>
 </Project>