diff --git a/govtool/frontend/src/components/organisms/DashboardGovernanceActionDetails.tsx b/govtool/frontend/src/components/organisms/DashboardGovernanceActionDetails.tsx
index 00beac7d3..ed2a5c8cf 100644
--- a/govtool/frontend/src/components/organisms/DashboardGovernanceActionDetails.tsx
+++ b/govtool/frontend/src/components/organisms/DashboardGovernanceActionDetails.tsx
@@ -101,7 +101,7 @@ export const DashboardGovernanceActionDetails = () => {
   useEffect(() => {
     const isProposalNotFound =
       error instanceof AxiosError &&
-      error.response?.data.match(/Proposal with id: .* not found/);
+      error.response?.data.message.match(/Proposal with id: .* not found/);
     if (isProposalNotFound && fullProposalId) {
       navigate(
         OUTCOMES_PATHS.governanceActionOutcomes.replace(":id", fullProposalId),
diff --git a/govtool/frontend/src/pages/GovernanceActionDetails.tsx b/govtool/frontend/src/pages/GovernanceActionDetails.tsx
index 48bcceba7..60e9ccfc9 100644
--- a/govtool/frontend/src/pages/GovernanceActionDetails.tsx
+++ b/govtool/frontend/src/pages/GovernanceActionDetails.tsx
@@ -95,7 +95,7 @@ export const GovernanceActionDetails = () => {
   useEffect(() => {
     const isProposalNotFound =
       error instanceof AxiosError &&
-      error.response?.data.match(/Proposal with id: .* not found/);
+      error.response?.data.message.match(/Proposal with id: .* not found/);
     if (isProposalNotFound && fullProposalId) {
       navigate(
         OUTCOMES_PATHS.governanceActionOutcomes.replace(":id", fullProposalId),