diff --git a/svg-generator/__tests__/__snapshots__/create-tree.spec.ts.snap b/svg-generator/__tests__/__snapshots__/create-tree.spec.ts.snap
index c11bcd6..e735f08 100644
--- a/svg-generator/__tests__/__snapshots__/create-tree.spec.ts.snap
+++ b/svg-generator/__tests__/__snapshots__/create-tree.spec.ts.snap
@@ -20,6 +20,15 @@ exports[`createTree should create the correct tree 1`] = `
     "name": "child2",
     "path": "src/app/svg/group/child2.ts",
   },
+  {
+    "content": "export const childCopyIcon = {
+    data: \`<svg>child_copy</svg>\`,
+    name: 'child-copy' as const
+};",
+    "identifierName": "childCopyIcon"
+    "name": "child_copy",
+    "path": "src/app/svg/group/child_copy.ts",
+  },
   {
     "content": "import { childIcon } from './child';
 import { child2Icon } from './child2';
@@ -78,6 +87,6 @@ export const groupTwoIcons = [childOneIcon, childTwoIcon];
 `;
 
 exports[`createTree should create the type file 1`] = `
-"export declare type SvgIcons = 'foo' | 'bar' | 'foo-bar';
+"export declare type SvgIcons = 'foo' | 'bar' | 'foo-bar' | 'foo-baz';
 "
 `;
diff --git a/svg-generator/__tests__/create-tree.spec.ts b/svg-generator/__tests__/create-tree.spec.ts
index 468a6f4..d4e183c 100644
--- a/svg-generator/__tests__/create-tree.spec.ts
+++ b/svg-generator/__tests__/create-tree.spec.ts
@@ -13,6 +13,7 @@ describe('createTree', () => {
       [`${srcPath}/group`]: {
         'child.svg': `<svg>child</svg>`,
         'child2.svg': `<svg>child 2</svg>`,
+        'child_copy.svg': `<svg>child_copy</svg>`
       },
       [`${srcPath}/group-two`]: {
         'child-one.svg': `<svg>child</svg>`,
@@ -28,6 +29,6 @@ describe('createTree', () => {
   });
 
   it('should create the type file', () => {
-    expect(createTypeFile(['foo', 'bar', 'foo-bar'])).toMatchSnapshot();
+    expect(createTypeFile(['foo', 'bar', 'foo-bar', 'foo_baz'])).toMatchSnapshot();
   });
 });
diff --git a/svg-generator/create-types.ts b/svg-generator/create-types.ts
index fb143ed..1d8a64e 100644
--- a/svg-generator/create-types.ts
+++ b/svg-generator/create-types.ts
@@ -5,9 +5,9 @@ import {
   ScriptTarget,
   ScriptKind,
   factory,
-  NodeFlags,
   SyntaxKind,
 } from 'typescript';
+import kebabCase from 'lodash.kebabcase';
 
 const printer = createPrinter({
   newLine: NewLineKind.LineFeed,
@@ -23,7 +23,7 @@ export function createTypeFile(names: string[]) {
       undefined,
       factory.createUnionTypeNode(
         names.map((name) => {
-          return factory.createLiteralTypeNode(factory.createStringLiteral(name, true));
+          return factory.createLiteralTypeNode(factory.createStringLiteral(kebabCase(name), true));
         })
       )
     ),