diff --git a/package.json b/package.json
index 9c5564df..f2b99a58 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
     "name": "openapi-typescript-codegen",
-    "version": "0.9.1",
+    "version": "0.9.2",
     "description": "Library that generates Typescript clients based on the OpenAPI specification.",
     "author": "Ferdi Koomen",
     "homepage": "https://github.com/ferdikoomen/openapi-typescript-codegen",
diff --git a/src/openApi/v2/parser/getOperationParameterName.ts b/src/openApi/v2/parser/getOperationParameterName.ts
index e84069d8..e21e83c8 100644
--- a/src/openApi/v2/parser/getOperationParameterName.ts
+++ b/src/openApi/v2/parser/getOperationParameterName.ts
@@ -1,5 +1,7 @@
 import camelCase from 'camelcase';
 
+const reservedWords = /^(arguments|break|case|catch|class|const|continue|debugger|default|delete|do|else|enum|eval|export|extends|false|finally|for|function|if|implements|import|in|instanceof|interface|let|new|null|package|private|protected|public|return|static|super|switch|this|throw|true|try|typeof|var|void|while|with|yield)$/g;
+
 /**
  * Replaces any invalid characters from a parameter name.
  * For example: 'filter.someProperty' becomes 'filterSomeProperty'.
@@ -9,5 +11,5 @@ export function getOperationParameterName(value: string): string {
         .replace(/^[^a-zA-Z]+/g, '')
         .replace(/[^\w\-]+/g, '-')
         .trim();
-    return camelCase(clean);
+    return camelCase(clean).replace(reservedWords, '_$1');
 }
diff --git a/src/openApi/v3/parser/getOperationParameterName.ts b/src/openApi/v3/parser/getOperationParameterName.ts
index e84069d8..e21e83c8 100644
--- a/src/openApi/v3/parser/getOperationParameterName.ts
+++ b/src/openApi/v3/parser/getOperationParameterName.ts
@@ -1,5 +1,7 @@
 import camelCase from 'camelcase';
 
+const reservedWords = /^(arguments|break|case|catch|class|const|continue|debugger|default|delete|do|else|enum|eval|export|extends|false|finally|for|function|if|implements|import|in|instanceof|interface|let|new|null|package|private|protected|public|return|static|super|switch|this|throw|true|try|typeof|var|void|while|with|yield)$/g;
+
 /**
  * Replaces any invalid characters from a parameter name.
  * For example: 'filter.someProperty' becomes 'filterSomeProperty'.
@@ -9,5 +11,5 @@ export function getOperationParameterName(value: string): string {
         .replace(/^[^a-zA-Z]+/g, '')
         .replace(/[^\w\-]+/g, '-')
         .trim();
-    return camelCase(clean);
+    return camelCase(clean).replace(reservedWords, '_$1');
 }
diff --git a/test/__snapshots__/index.spec.js.snap b/test/__snapshots__/index.spec.js.snap
index ca5248f8..d8d81f83 100644
--- a/test/__snapshots__/index.spec.js.snap
+++ b/test/__snapshots__/index.spec.js.snap
@@ -951,6 +951,8 @@ export type ModelWithProperties = {
     boolean?: boolean;
     reference?: ModelWithString;
     'property with space'?: string;
+    default?: string;
+    try?: string;
     readonly '@namespace.string'?: string;
     readonly '@namespace.integer'?: number;
 }
@@ -1630,6 +1632,12 @@ export const $ModelWithProperties = {
         'property with space': {
             type: 'string',
         },
+        default: {
+            type: 'string',
+        },
+        try: {
+            type: 'string',
+        },
         '@namespace.string': {
             type: 'string',
             isReadOnly: true,
@@ -2059,6 +2067,7 @@ export class ParametersService {
      * @param parameterPath1 This is the parameter that goes into the path
      * @param parameterPath2 This is the parameter that goes into the path
      * @param parameterPath3 This is the parameter that goes into the path
+     * @param _default This is the parameter with a reserved keyword
      * @throws ApiError
      */
     public static async callWithWeirdParameterNames(
@@ -2069,6 +2078,7 @@ export class ParametersService {
         parameterPath1?: string,
         parameterPath2?: string,
         parameterPath3?: string,
+        _default?: string,
     ): Promise<void> {
         const result = await __request({
             method: 'GET',
@@ -3363,6 +3373,8 @@ export type ModelWithProperties = {
     boolean?: boolean;
     reference?: ModelWithString;
     'property with space'?: string;
+    default?: string;
+    try?: string;
     readonly '@namespace.string'?: string;
     readonly '@namespace.integer'?: number;
 }
@@ -4197,6 +4209,12 @@ export const $ModelWithProperties = {
         'property with space': {
             type: 'string',
         },
+        default: {
+            type: 'string',
+        },
+        try: {
+            type: 'string',
+        },
         '@namespace.string': {
             type: 'string',
             isReadOnly: true,
@@ -4697,6 +4715,7 @@ export class ParametersService {
      * @param parameterPath1 This is the parameter that goes into the path
      * @param parameterPath2 This is the parameter that goes into the path
      * @param parameterPath3 This is the parameter that goes into the path
+     * @param _default This is the parameter with a reserved keyword
      * @throws ApiError
      */
     public static async callWithWeirdParameterNames(
@@ -4708,6 +4727,7 @@ export class ParametersService {
         parameterPath1?: string,
         parameterPath2?: string,
         parameterPath3?: string,
+        _default?: string,
     ): Promise<void> {
         const result = await __request({
             method: 'GET',
diff --git a/test/spec/v2.json b/test/spec/v2.json
index b7355487..27e01e2b 100644
--- a/test/spec/v2.json
+++ b/test/spec/v2.json
@@ -133,6 +133,13 @@
                         "type": "string",
                         "required": false
                     },
+                    {
+                        "description": "This is the parameter with a reserved keyword",
+                        "name": "default",
+                        "in": "path",
+                        "type": "string",
+                        "required": false
+                    },
                     {
                         "description": "This is the parameter that goes into the request header",
                         "name": "parameter.header",
@@ -1141,6 +1148,12 @@
                 "property with space": {
                     "type": "string"
                 },
+                "default": {
+                    "type": "string"
+                },
+                "try": {
+                    "type": "string"
+                },
                 "@namespace.string": {
                     "type": "string",
                     "readOnly": true
diff --git a/test/spec/v3.json b/test/spec/v3.json
index 9b139746..55e9c51b 100644
--- a/test/spec/v3.json
+++ b/test/spec/v3.json
@@ -173,6 +173,16 @@
                             "type": "string"
                         }
                     },
+                    {
+                        "description": "This is the parameter with a reserved keyword",
+                        "name": "default",
+                        "in": "path",
+                        "required": false,
+                        "nullable": false,
+                        "schema": {
+                            "type": "string"
+                        }
+                    },
                     {
                         "description": "This is the parameter that goes into the request header",
                         "name": "parameter.header",
@@ -1804,6 +1814,12 @@
                     "property with space": {
                         "type": "string"
                     },
+                    "default": {
+                        "type": "string"
+                    },
+                    "try": {
+                        "type": "string"
+                    },
                     "@namespace.string": {
                         "type": "string",
                         "readOnly": true