diff --git a/package.json b/package.json
index 9315dad..578b4f5 100644
--- a/package.json
+++ b/package.json
@@ -1,5 +1,5 @@
 {
-  "version": "3.2.1",
+  "version": "3.2.2",
   "license": "MIT",
   "name": "@mollie/crowdin-cli",
   "author": {
diff --git a/src/delete-branch.ts b/src/delete-branch.ts
index a25a2ba..fe4ede8 100644
--- a/src/delete-branch.ts
+++ b/src/delete-branch.ts
@@ -5,6 +5,7 @@ import {
   listFiles,
   listTasks,
 } from "./lib/crowdin";
+import { getCrowdinBranchName } from "./utils/get-crowdin-branch-name";
 import log from "./utils/logging";
 
 export interface DeleteBranchOptions {
@@ -12,16 +13,29 @@ export interface DeleteBranchOptions {
   deleteTasks?: boolean;
 }
 
-export default async ({ branchName, deleteTasks }: DeleteBranchOptions) => {
+export default async ({
+  branchName: gitBranchName,
+  deleteTasks,
+}: DeleteBranchOptions) => {
   log.info("Deleting branch from Crowdin");
+  const branchName = getCrowdinBranchName(gitBranchName);
+  let branches = null;
 
-  const branches = await listBranches(branchName);
+  try {
+    branches = await listBranches(branchName);
+  } catch (error) {
+    return log.error("Error while fetching branches from Crowdin");
+  }
 
-  if (branches.data.length === 0) {
+  if (branches?.data.length === 0) {
     return log.error(`Couldn’t find a branch with the name: "${branchName}"`);
   }
 
-  const branchId = branches.data[0].data.id;
+  const branchId = branches?.data[0].data.id;
+
+  if (!branchId) {
+    return log.error(`Error determining the ID for branch: "${branchName}"`);
+  }
 
   try {
     if (deleteTasks) {
diff --git a/src/utils/get-crowdin-branch-name.ts b/src/utils/get-crowdin-branch-name.ts
new file mode 100644
index 0000000..a314e9e
--- /dev/null
+++ b/src/utils/get-crowdin-branch-name.ts
@@ -0,0 +1,4 @@
+export function getCrowdinBranchName(gitBranchName: string) {
+  // Replace all slashes with dashes
+  return gitBranchName.replace(/\//g, "-");
+}
diff --git a/tests/index.test.ts b/tests/index.test.ts
index dda59a6..fa39fc0 100644
--- a/tests/index.test.ts
+++ b/tests/index.test.ts
@@ -9,6 +9,7 @@ import upload from "../src/upload";
 import deleteBranch from "../src/delete-branch";
 import preTranslate from "../src/pre-translate";
 import createTasks from "../src/create-tasks";
+import { getCrowdinBranchName } from "../src/utils/get-crowdin-branch-name";
 import { sync } from "mkdirp";
 
 jest.mock("@crowdin/crowdin-api-client", () => ({
@@ -333,3 +334,13 @@ describe("Handlers", () => {
     expect(file).toMatchSnapshot();
   });
 });
+
+describe("Utils", () => {
+  test("getCrowdinBranchName()", () => {
+    expect(getCrowdinBranchName("main")).toBe("main");
+    expect(getCrowdinBranchName("branch-name")).toBe("branch-name");
+    expect(getCrowdinBranchName("feature/branch-name")).toBe(
+      "feature-branch-name"
+    );
+  });
+});