diff --git a/src/openApi/v2/parser/getEnum.ts b/src/openApi/v2/parser/getEnum.ts
index 16b3bd0c..5558db68 100644
--- a/src/openApi/v2/parser/getEnum.ts
+++ b/src/openApi/v2/parser/getEnum.ts
@@ -11,7 +11,7 @@ export function getEnum(values?: (string | number)[]): Enum[] {
             .map(value => {
                 if (typeof value === 'number') {
                     return {
-                        name: `"_${value}"`,
+                        name: `'_${value}'`,
                         value: String(value),
                         type: 'number',
                         description: null,
diff --git a/src/openApi/v3/parser/getEnum.ts b/src/openApi/v3/parser/getEnum.ts
index 16b3bd0c..5558db68 100644
--- a/src/openApi/v3/parser/getEnum.ts
+++ b/src/openApi/v3/parser/getEnum.ts
@@ -11,7 +11,7 @@ export function getEnum(values?: (string | number)[]): Enum[] {
             .map(value => {
                 if (typeof value === 'number') {
                     return {
-                        name: `"_${value}"`,
+                        name: `'_${value}'`,
                         value: String(value),
                         type: 'number',
                         description: null,
diff --git a/test/__snapshots__/index.spec.js.snap b/test/__snapshots__/index.spec.js.snap
index 6b91d8ab..b613d87f 100644
--- a/test/__snapshots__/index.spec.js.snap
+++ b/test/__snapshots__/index.spec.js.snap
@@ -587,10 +587,10 @@ exports[`v2 should generate: ./test/generated/v2/models/EnumWithNumbers.ts 1`] =
  * This is a simple enum with numbers
  */
 export enum EnumWithNumbers {
-    \\"_-1\\" = -1,
-    \\"_1\\" = 1,
-    \\"_2\\" = 2,
-    \\"_3\\" = 3,
+    '_-1' = -1,
+    '_1' = 1,
+    '_2' = 2,
+    '_3' = 3,
 }"
 `;
 
@@ -3017,10 +3017,10 @@ exports[`v3 should generate: ./test/generated/v3/models/EnumWithNumbers.ts 1`] =
  * This is a simple enum with numbers
  */
 export enum EnumWithNumbers {
-    \\"_-1\\" = -1,
-    \\"_1\\" = 1,
-    \\"_2\\" = 2,
-    \\"_3\\" = 3,
+    '_-1' = -1,
+    '_1' = 1,
+    '_2' = 2,
+    '_3' = 3,
 }"
 `;