diff --git a/CHANGELOG.md b/CHANGELOG.md
index 5b4e9ee209..4b626c581b 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -17,6 +17,9 @@ The types of changes are:
 
 ## [Unreleased](https://github.com/ethyca/fides/compare/2.25.0...main)
 
+### Fixed
+- Fix type errors when TCF vendors have no dataDeclaration [#4465](https://github.com/ethyca/fides/pull/4465)
+
 ## [2.25.0](https://github.com/ethyca/fides/compare/2.24.1...2.25.0)
 
 ### Added
diff --git a/clients/fides-js/src/components/tcf/TcfVendors.tsx b/clients/fides-js/src/components/tcf/TcfVendors.tsx
index aed0a06027..44cb5c3c02 100644
--- a/clients/fides-js/src/components/tcf/TcfVendors.tsx
+++ b/clients/fides-js/src/components/tcf/TcfVendors.tsx
@@ -99,7 +99,8 @@ const DataCategories = ({
   }
 
   // @ts-ignore this type doesn't exist in v2.2 but does in v3
-  const declarations: GvlDataDeclarations = gvlVendor.dataDeclaration;
+  const declarations: GvlDataDeclarations | undefined =
+    gvlVendor.dataDeclaration;
 
   return (
     <table className="fides-vendor-details-table">
@@ -109,11 +110,11 @@ const DataCategories = ({
         </tr>
       </thead>
       <tbody>
-        {declarations.map((id) => {
+        {declarations?.map((id) => {
           const category = dataCategories[id];
           return (
             <tr key={id}>
-              <td>{category.name}</td>
+              <td>{category?.name || ""}</td>
             </tr>
           );
         })}
diff --git a/clients/privacy-center/cypress/fixtures/consent/experience_tcf.json b/clients/privacy-center/cypress/fixtures/consent/experience_tcf.json
index 70e2e43c74..31dd982499 100644
--- a/clients/privacy-center/cypress/fixtures/consent/experience_tcf.json
+++ b/clients/privacy-center/cypress/fixtures/consent/experience_tcf.json
@@ -390,6 +390,13 @@
         "vendorListVersion": 19,
         "tcfPolicyVersion": 4,
         "lastUpdated": "2023-09-21T16:07:34Z",
+        "dataCategories": {
+          "1": {
+            "id": 1,
+            "name": "Device Data",
+            "description": "Data that pertains to a device, including OS information and cross-device identification capabilities."
+          }
+        },
         "purposes": {
           "1": {
             "id": 1,
@@ -457,7 +464,7 @@
                 "legIntClaim": "https://www.captifytechnologies.com/privacy-notice/"
               }
             ],
-            "dataDeclaration": [],
+            "dataDeclaration": null,
             "deviceStorageDisclosureUrl": "https://static.cpx.to/gvl/deviceStorageDisclosure.json"
           }
         },