diff --git a/nixos/modules/services/network-filesystems/kubo.nix b/nixos/modules/services/network-filesystems/kubo.nix
--- a/nixos/modules/services/network-filesystems/kubo.nix
+++ b/nixos/modules/services/network-filesystems/kubo.nix
@@ -45,6 +45,11 @@ let
     then "[${s 1}]:${s 3}"
     else null; # not valid for listen datagram, skip
 
+  multiaddrsFunc = f: addrsRaw: if builtins.isString addrsRaw then let out = f addrsRaw; in lib.optional (out != null) out else lib.filter (x: x != null) (map f addrsRaw);
+
+  multiaddrsToListenStream = multiaddrsFunc multiaddrToListenStream;
+  multiaddrsToListenDatagram = multiaddrsFunc multiaddrToListenDatagram;
+
 in
 {
 
@@ -137,19 +142,19 @@ in
 
           options = {
             Addresses.API = mkOption {
-              type = types.str;
+              type = types.oneOf [ types.str (types.listOf types.str) ];
               default = "/ip4/127.0.0.1/tcp/5001";
               description = lib.mdDoc "Where Kubo exposes its API to";
             };
 
             Addresses.Gateway = mkOption {
-              type = types.str;
+              type = types.oneOf [ types.str (types.listOf types.str) ];
               default = "/ip4/127.0.0.1/tcp/8080";
               description = lib.mdDoc "Where the IPFS Gateway can be reached";
             };
 
             Addresses.Swarm = mkOption {
-              type = types.listOf types.str;
+              type = types.oneOf [ types.str (types.listOf types.str) ];
               default = [
                 "/ip4/0.0.0.0/tcp/4001"
                 "/ip6/::/tcp/4001"
@@ -294,14 +299,14 @@ in
       socketConfig = {
         ListenStream =
           let
-            fromCfg = multiaddrToListenStream cfg.settings.Addresses.Gateway;
+            fromCfg = multiaddrsToListenStream cfg.settings.Addresses.Gateway;
           in
-          [ "" ] ++ lib.optional (fromCfg != null) fromCfg;
+          [ "" ] ++ fromCfg;
         ListenDatagram =
           let
-            fromCfg = multiaddrToListenDatagram cfg.settings.Addresses.Gateway;
+            fromCfg = multiaddrsToListenDatagram cfg.settings.Addresses.Gateway;
           in
-          [ "" ] ++ lib.optional (fromCfg != null) fromCfg;
+          [ "" ] ++ fromCfg;
       };
     };
 
@@ -311,9 +316,9 @@ in
       # in the multiaddr.
       socketConfig.ListenStream =
         let
-          fromCfg = multiaddrToListenStream cfg.settings.Addresses.API;
+          fromCfg = multiaddrsToListenStream cfg.settings.Addresses.API;
         in
-        [ "" "%t/ipfs.sock" ] ++ lib.optional (fromCfg != null) fromCfg;
+        [ "" "%t/ipfs.sock" ] ++ fromCfg;
     };
   };