diff --git a/modules/netns-isolation.nix b/modules/netns-isolation.nix
index 83230ed..e54550c 100644
--- a/modules/netns-isolation.nix
+++ b/modules/netns-isolation.nix
@@ -83,6 +83,12 @@ in {
         The user's group is also authorized.
       '';
     };
+
+    netns = mkOption {
+      default = netns;
+      readOnly = true;
+      description = "Exposes netns parameters.";
+    };
   };
 
   config = mkIf cfg.enable (mkMerge [
@@ -286,8 +292,6 @@ in {
       host = netns.nanopos.address;
     };
 
-    services.nix-bitcoin-webindex.host = netns.nginx.address;
-
     services.lightning-loop.cliExec = mkCliExec "lightning-loop";
   }
   ]);
diff --git a/modules/nix-bitcoin-webindex.nix b/modules/nix-bitcoin-webindex.nix
index 7375f6e..8982f6c 100644
--- a/modules/nix-bitcoin-webindex.nix
+++ b/modules/nix-bitcoin-webindex.nix
@@ -41,7 +41,10 @@ in {
     };
     host = mkOption {
       type = types.str;
-      default = "localhost";
+      default = if config.nix-bitcoin.netns-isolation.enable then
+        config.nix-bitcoin.netns-isolation.netns.nginx.address
+      else
+        "localhost";
       description = "HTTP server listen address.";
     };
     enforceTor =  nix-bitcoin-services.enforceTor;