diff --git a/packages/nns/src/canisters/governance/response.converters.ts b/packages/nns/src/canisters/governance/response.converters.ts
index 4d803e905..3926f4727 100644
--- a/packages/nns/src/canisters/governance/response.converters.ts
+++ b/packages/nns/src/canisters/governance/response.converters.ts
@@ -1213,6 +1213,15 @@ const toSwapParameters = (
         restrictedCountries: toCountries(
           fromNullable(swapParameters.restricted_countries),
         ),
+        maxDirectParticipationIcp: toTokens(
+          fromNullable(swapParameters.maximum_direct_participation_icp),
+        ),
+        minDirectParticipationIcp: toTokens(
+          fromNullable(swapParameters.minimum_direct_participation_icp),
+        ),
+        neuronsFundParticipation: fromNullable(
+          swapParameters.neurons_fund_participation,
+        ),
       };
 };
 
diff --git a/packages/nns/src/types/governance_converters.ts b/packages/nns/src/types/governance_converters.ts
index 2f2d2c2f5..2dd6dd935 100644
--- a/packages/nns/src/types/governance_converters.ts
+++ b/packages/nns/src/types/governance_converters.ts
@@ -557,20 +557,20 @@ export interface NeuronBasketConstructionParameters {
   count?: bigint;
 }
 export interface SwapParameters {
-  minimumParticipants?: bigint;
-  duration?: Duration;
-  neuronBasketConstructionParameters?: NeuronBasketConstructionParameters;
-  confirmationText?: string;
-  maximumParticipantIcp?: Tokens;
-  neuronsFundInvestmentIcp?: Tokens;
-  minimumIcp?: Tokens;
-  minimumParticipantIcp?: Tokens;
-  startTime?: GlobalTimeOfDay;
-  maximumIcp?: Tokens;
-  restrictedCountries?: Countries;
-  maxDirectParticipationIcp?: Tokens;
-  minDirectParticipationIcp?: Tokens;
-  neuronsFundParticipation?: boolean;
+  minimumParticipants: Option<bigint>;
+  duration: Option<Duration>;
+  neuronBasketConstructionParameters: Option<NeuronBasketConstructionParameters>;
+  confirmationText: Option<string>;
+  maximumParticipantIcp: Option<Tokens>;
+  neuronsFundInvestmentIcp: Option<Tokens>;
+  minimumIcp: Option<Tokens>;
+  minimumParticipantIcp: Option<Tokens>;
+  startTime: Option<GlobalTimeOfDay>;
+  maximumIcp: Option<Tokens>;
+  restrictedCountries: Option<Countries>;
+  maxDirectParticipationIcp: Option<Tokens>;
+  minDirectParticipationIcp: Option<Tokens>;
+  neuronsFundParticipation: Option<boolean>;
 }
 
 export interface SwapDistribution {