diff --git a/packages/js/src/generators/library/library.spec.ts b/packages/js/src/generators/library/library.spec.ts
index bf64c69e6b..edd87a0405 100644
--- a/packages/js/src/generators/library/library.spec.ts
+++ b/packages/js/src/generators/library/library.spec.ts
@@ -644,9 +644,9 @@ describe('lib', () => {
             }
           },
           transform: {
-            '^.+\\\\\\\\.[tj]sx?$': 'ts-jest'
+            '^.+\\\\\\\\.[tj]s$': 'ts-jest'
           },
-          moduleFileExtensions: ['ts', 'tsx', 'js', 'jsx'],
+          moduleFileExtensions: ['ts', 'js', 'html'],
           coverageDirectory: '../../coverage/libs/my-lib'
         };
         "
diff --git a/packages/js/src/utils/project-generator.ts b/packages/js/src/utils/project-generator.ts
index 820c87cf08..23c9b9ee7c 100644
--- a/packages/js/src/utils/project-generator.ts
+++ b/packages/js/src/utils/project-generator.ts
@@ -212,7 +212,7 @@ async function addJest(
   return await jestProjectGenerator(tree, {
     project: options.name,
     setupFile: 'none',
-    supportTsx: true,
+    supportTsx: false,
     skipSerializers: true,
     testEnvironment: options.testEnvironment,
     skipFormat: true,