diff --git a/client/src/components/ObjectStore/Instances/CreateForm.test.ts b/client/src/components/ObjectStore/Instances/CreateForm.test.ts
index 7339509fc4d2..c5220c9e2196 100644
--- a/client/src/components/ObjectStore/Instances/CreateForm.test.ts
+++ b/client/src/components/ObjectStore/Instances/CreateForm.test.ts
@@ -16,7 +16,7 @@ const localVue = getLocalVue(true);
 const STANDARD_TEMPLATE: ObjectStoreTemplateSummary = {
     type: "s3",
     name: "moo",
-    description: undefined,
+    description: null,
     variables: [
         {
             name: "myvar",
diff --git a/client/src/components/ObjectStore/Instances/UpgradeForm.test.ts b/client/src/components/ObjectStore/Instances/UpgradeForm.test.ts
index 9a156e432343..be8bfe4b78f1 100644
--- a/client/src/components/ObjectStore/Instances/UpgradeForm.test.ts
+++ b/client/src/components/ObjectStore/Instances/UpgradeForm.test.ts
@@ -17,7 +17,7 @@ const router = injectTestRouter(localVue);
 const STANDARD_TEMPLATE: ObjectStoreTemplateSummary = {
     type: "s3",
     name: "moo",
-    description: undefined,
+    description: null,
     variables: [
         {
             name: "oldvar",
diff --git a/client/src/stores/objectStoreTemplatesStore.test.ts b/client/src/stores/objectStoreTemplatesStore.test.ts
index a27c5b34cadc..2206712b212f 100644
--- a/client/src/stores/objectStoreTemplatesStore.test.ts
+++ b/client/src/stores/objectStoreTemplatesStore.test.ts
@@ -7,7 +7,7 @@ const TEMPLATES_BASIC = [
     {
         type: s3,
         name: "moo",
-        description: undefined,
+        description: null,
         variables: [],
         secrets: [],
         id: "moo",
@@ -20,7 +20,7 @@ const TEMPLATES_EXPANDED = [
     {
         type: s3,
         name: "Testing S3",
-        description: undefined,
+        description: null,
         variables: [],
         secrets: [],
         id: "bucket_s3",
@@ -30,7 +30,7 @@ const TEMPLATES_EXPANDED = [
     {
         type: s3,
         name: "Testing S3 (some more)",
-        description: undefined,
+        description: null,
         variables: [],
         secrets: [],
         id: "bucket_s3",
@@ -40,7 +40,7 @@ const TEMPLATES_EXPANDED = [
     {
         type: s3,
         name: "Amazon S3 (working!)",
-        description: undefined,
+        description: null,
         variables: [],
         secrets: [],
         id: "bucket_s3",
diff --git a/client/src/stores/objectStoreTemplatesStore.ts b/client/src/stores/objectStoreTemplatesStore.ts
index 9b985c1b4139..91cd32d9d7ef 100644
--- a/client/src/stores/objectStoreTemplatesStore.ts
+++ b/client/src/stores/objectStoreTemplatesStore.ts
@@ -18,7 +18,7 @@ function findTemplate(templates: ObjectStoreTemplateSummaries, templateId: strin
     return null;
 }
 
-function getLatestVersionMap(templates: ObjectStoreTemplateSummaries) {
+function getLatestVersionMap(templates: ObjectStoreTemplateSummaries): { [key: string]: number } {
     const latestVersions: { [key: string]: number } = {};
     templates.forEach((i: ObjectStoreTemplateSummary) => {
         const templateId = i.id;
@@ -66,7 +66,7 @@ export const useObjectStoreTemplatesStore = defineStore("objectStoreTemplatesSto
         latestTemplates: (state) => {
             // only expose latest instance by template_version for each template_id
             const latestVersions = getLatestVersionMap(state.templates);
-            return state.templates.filter((i) => latestVersions[i.id] == (i.version || 0));
+            return state.templates.filter((i:ObjectStoreTemplateSummary) => latestVersions[i.id] == (i.version || 0));
         },
         canUpgrade: (state) => {
             return (templateId: string, templateVersion: number) =>