diff --git a/src/templates/core/fetch/getResponseBody.hbs b/src/templates/core/fetch/getResponseBody.hbs
index 1011380ee..1ee5303b8 100644
--- a/src/templates/core/fetch/getResponseBody.hbs
+++ b/src/templates/core/fetch/getResponseBody.hbs
@@ -3,8 +3,7 @@ export const getResponseBody = async (response: Response): Promise<any> => {
 		try {
 			const contentType = response.headers.get('Content-Type');
 			if (contentType) {
-				const jsonTypes = ['application/json', 'application/problem+json']
-				const isJSON = jsonTypes.some(type => contentType.toLowerCase().startsWith(type));
+				const isJSON = /application\/([a-zA-Z0-9.]*\+)?json/.test(contentType.toLowerCase());
 				if (isJSON) {
 					return await response.json();
 				} else {
diff --git a/src/templates/core/node/getResponseBody.hbs b/src/templates/core/node/getResponseBody.hbs
index 1011380ee..1ee5303b8 100644
--- a/src/templates/core/node/getResponseBody.hbs
+++ b/src/templates/core/node/getResponseBody.hbs
@@ -3,8 +3,7 @@ export const getResponseBody = async (response: Response): Promise<any> => {
 		try {
 			const contentType = response.headers.get('Content-Type');
 			if (contentType) {
-				const jsonTypes = ['application/json', 'application/problem+json']
-				const isJSON = jsonTypes.some(type => contentType.toLowerCase().startsWith(type));
+				const isJSON = /application\/([a-zA-Z0-9.]*\+)?json/.test(contentType.toLowerCase());
 				if (isJSON) {
 					return await response.json();
 				} else {
diff --git a/src/templates/core/xhr/getResponseBody.hbs b/src/templates/core/xhr/getResponseBody.hbs
index ccf83b1ff..8f1fbced0 100644
--- a/src/templates/core/xhr/getResponseBody.hbs
+++ b/src/templates/core/xhr/getResponseBody.hbs
@@ -3,8 +3,7 @@ export const getResponseBody = (xhr: XMLHttpRequest): any => {
 		try {
 			const contentType = xhr.getResponseHeader('Content-Type');
 			if (contentType) {
-				const jsonTypes = ['application/json', 'application/problem+json']
-				const isJSON = jsonTypes.some(type => contentType.toLowerCase().startsWith(type));
+				const isJSON = /application\/([a-zA-Z0-9.]*\+)?json/.test(contentType.toLowerCase());
 				if (isJSON) {
 					return JSON.parse(xhr.responseText);
 				} else {
diff --git a/test/__snapshots__/index.spec.ts.snap b/test/__snapshots__/index.spec.ts.snap
index e1c221495..d02a113a5 100644
--- a/test/__snapshots__/index.spec.ts.snap
+++ b/test/__snapshots__/index.spec.ts.snap
@@ -473,8 +473,7 @@ export const getResponseBody = async (response: Response): Promise<any> => {
         try {
             const contentType = response.headers.get('Content-Type');
             if (contentType) {
-                const jsonTypes = ['application/json', 'application/problem+json']
-                const isJSON = jsonTypes.some(type => contentType.toLowerCase().startsWith(type));
+                const isJSON = /application\\/([a-zA-Z0-9.]*\\+)?json/.test(contentType.toLowerCase());
                 if (isJSON) {
                     return await response.json();
                 } else {
@@ -3568,8 +3567,7 @@ export const getResponseBody = async (response: Response): Promise<any> => {
         try {
             const contentType = response.headers.get('Content-Type');
             if (contentType) {
-                const jsonTypes = ['application/json', 'application/problem+json']
-                const isJSON = jsonTypes.some(type => contentType.toLowerCase().startsWith(type));
+                const isJSON = /application\\/([a-zA-Z0-9.]*\\+)?json/.test(contentType.toLowerCase());
                 if (isJSON) {
                     return await response.json();
                 } else {