diff --git a/app/scenes/Settings/Details.tsx b/app/scenes/Settings/Details.tsx
index eab2ade3b..1bf8a9a8a 100644
--- a/app/scenes/Settings/Details.tsx
+++ b/app/scenes/Settings/Details.tsx
@@ -104,7 +104,7 @@ function Details() {
     []
   );
 
-  const handleAvatarChange = async (avatarUrl: string) => {
+  const handleAvatarChange = async (avatarUrl: string | null) => {
     await team.save({ avatarUrl });
     toast.success(t("Logo updated"));
   };
diff --git a/server/routes/api/teams/schema.ts b/server/routes/api/teams/schema.ts
index 476bd4247..5f1c1e76b 100644
--- a/server/routes/api/teams/schema.ts
+++ b/server/routes/api/teams/schema.ts
@@ -7,7 +7,7 @@ export const TeamsUpdateSchema = BaseSchema.extend({
     /** Team name */
     name: z.string().optional(),
     /** Avatar URL */
-    avatarUrl: z.string().optional(),
+    avatarUrl: z.string().nullish(),
     /** The subdomain to access the team */
     subdomain: z.string().nullish(),
     /** Whether public sharing is enabled */
diff --git a/server/routes/api/teams/teams.test.ts b/server/routes/api/teams/teams.test.ts
index 5ee519f04..44c7f3d99 100644
--- a/server/routes/api/teams/teams.test.ts
+++ b/server/routes/api/teams/teams.test.ts
@@ -56,6 +56,34 @@ describe("#team.update", () => {
     expect(body.data.name).toEqual(name);
   });
 
+  it("should add avatar", async () => {
+    const team = await buildTeam();
+    const admin = await buildAdmin({ teamId: team.id });
+    const res = await server.post("/api/team.update", {
+      body: {
+        token: admin.getJwtToken(),
+        avatarUrl: "https://random-url.com",
+      },
+    });
+    const body = await res.json();
+    expect(res.status).toEqual(200);
+    expect(body.data.avatarUrl).toEqual("https://random-url.com");
+  });
+
+  it("should remove avatar", async () => {
+    const team = await buildTeam({ avatarUrl: "https://random-url.com" });
+    const admin = await buildAdmin({ teamId: team.id });
+    const res = await server.post("/api/team.update", {
+      body: {
+        token: admin.getJwtToken(),
+        avatarUrl: null,
+      },
+    });
+    const body = await res.json();
+    expect(res.status).toEqual(200);
+    expect(body.data.avatarUrl).toBeNull();
+  });
+
   it("should not invalidate request if subdomain is sent as null", async () => {
     const admin = await buildAdmin();
     const res = await server.post("/api/team.update", {