diff --git a/website/src/components/SequenceDetailsPage/getTableData.ts b/website/src/components/SequenceDetailsPage/getTableData.ts
index 39f4c78376..8f493a2b30 100644
--- a/website/src/components/SequenceDetailsPage/getTableData.ts
+++ b/website/src/components/SequenceDetailsPage/getTableData.ts
@@ -81,7 +81,7 @@ function validateDetailsAreNotEmpty<T extends [DetailsResponse, ...any[]]>(acces
                     title: 'Not Found',
                     status: 0,
                     detail: 'No data found for accession version ' + accessionVersion,
-                    instance: '/sequences/' + accessionVersion,
+                    instance: '/seq/' + accessionVersion,
                 });
             }
         }
diff --git a/website/src/pages/[organism]/sequences/[accessionVersion]/getSequenceDetailsTableData.ts b/website/src/pages/[organism]/seq/[accessionVersion]/getSequenceDetailsTableData.ts
similarity index 100%
rename from website/src/pages/[organism]/sequences/[accessionVersion]/getSequenceDetailsTableData.ts
rename to website/src/pages/[organism]/seq/[accessionVersion]/getSequenceDetailsTableData.ts
diff --git a/website/src/pages/[organism]/sequences/[accessionVersion]/index.astro b/website/src/pages/[organism]/seq/[accessionVersion]/index.astro
similarity index 100%
rename from website/src/pages/[organism]/sequences/[accessionVersion]/index.astro
rename to website/src/pages/[organism]/seq/[accessionVersion]/index.astro
diff --git a/website/src/pages/[organism]/sequences/[accessionVersion]/versions.astro b/website/src/pages/[organism]/seq/[accessionVersion]/versions.astro
similarity index 100%
rename from website/src/pages/[organism]/sequences/[accessionVersion]/versions.astro
rename to website/src/pages/[organism]/seq/[accessionVersion]/versions.astro
diff --git a/website/src/pages/[organism]/user/sequences.astro b/website/src/pages/[organism]/user/seq.astro
similarity index 100%
rename from website/src/pages/[organism]/user/sequences.astro
rename to website/src/pages/[organism]/user/seq.astro
diff --git a/website/src/routes.ts b/website/src/routes.ts
index 0396aa0c41..84d10826ef 100644
--- a/website/src/routes.ts
+++ b/website/src/routes.ts
@@ -11,9 +11,9 @@ export const routes = {
     searchPage: <Filter extends FilterValue>(organism: string, searchFilter: Filter[] = [], page: number = 1) =>
         withOrganism(organism, `/search?${buildSearchParams(searchFilter, page).toString()}`),
     sequencesDetailsPage: (organism: string, accessionVersion: AccessionVersion | string) =>
-        `/${organism}/sequences/${getAccessionVersionString(accessionVersion)}`,
+        `/${organism}/seq/${getAccessionVersionString(accessionVersion)}`,
     sequencesVersionsPage: (organism: string, accessionVersion: AccessionVersion | string) =>
-        `/${organism}/sequences/${getAccessionVersionString(accessionVersion)}/versions`,
+        `/${organism}/seq/${getAccessionVersionString(accessionVersion)}/versions`,
     submitPage: (organism: string) => withOrganism(organism, '/submit'),
     revisePage: (organism: string) => withOrganism(organism, '/revise'),
     editPage: (organism: string, accessionVersion: AccessionVersion) =>
@@ -26,8 +26,8 @@ export const routes = {
         const groupPagePath = `/group/${groupName}` as const;
         return groupPagePath;
     },
-    userSequencesPage: (organism: string) => withOrganism(organism, `/user/sequences`),
-    versionPage: (organism: string, accession: string) => withOrganism(organism, `/sequences/${accession}/versions`),
+    userSequencesPage: (organism: string) => withOrganism(organism, `/user/seq`),
+    versionPage: (organism: string, accession: string) => withOrganism(organism, `/seq/${accession}/versions`),
     unknownOrganismPage: (organism: string) => `/404?unknownOrganism=${organism}`,
     logout: () => '/logout',
 };
diff --git a/website/src/utils/shouldMiddlewareEnforceLogin.spec.ts b/website/src/utils/shouldMiddlewareEnforceLogin.spec.ts
index 9578f04abe..337077ecde 100644
--- a/website/src/utils/shouldMiddlewareEnforceLogin.spec.ts
+++ b/website/src/utils/shouldMiddlewareEnforceLogin.spec.ts
@@ -2,6 +2,7 @@ import { describe, expect, test } from 'vitest';
 
 import { shouldMiddlewareEnforceLogin } from './shouldMiddlewareEnforceLogin';
 import { testOrganism } from '../../vitest.setup.ts';
+import { routes } from '../routes.ts';
 
 const otherOrganism = 'otherOrganism';
 const configuredOrganisms = [testOrganism, otherOrganism];
@@ -26,7 +27,7 @@ describe('shouldMiddlewareEnforceLogin', () => {
         expectNoLogin(`/${testOrganism}/search`);
         expectNoLogin(`/`);
         expectNoLogin(`/${testOrganism}`);
-        expectNoLogin(`/${testOrganism}/sequences/id_002156`);
+        expectNoLogin(routes.sequencesDetailsPage(testOrganism, 'id_002156'));
     });
 
     function expectForceLogin(path: string) {