diff --git a/CHANGELOG.md b/CHANGELOG.md
index b70d0be6cf..cc7b7d8a66 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,12 @@
+## [26.5.5](https://github.com/kulshekhar/ts-jest/compare/v26.5.4...v26.5.5) (2021-04-15)
+
+
+### Bug Fixes
+
+* **compiler:** return file content on emitSkipped for non ts/tsx files ([#2515](https://github.com/kulshekhar/ts-jest/issues/2515)) ([0320fb3](https://github.com/kulshekhar/ts-jest/commit/0320fb3ac22056aafe4d7ae966eab84dbf23fda9)), closes [#2513](https://github.com/kulshekhar/ts-jest/issues/2513)
+
+
+
 ## [26.5.4](https://github.com/kulshekhar/ts-jest/compare/v26.5.3...v26.5.4) (2021-03-17)
 
 
diff --git a/e2e/__templates__/with-babel-7-string-config/package-lock.json b/e2e/__templates__/with-babel-7-string-config/package-lock.json
index 57a123c2cf..f4b7894255 100644
--- a/e2e/__templates__/with-babel-7-string-config/package-lock.json
+++ b/e2e/__templates__/with-babel-7-string-config/package-lock.json
@@ -2112,9 +2112,9 @@
       "dev": true
     },
     "caniuse-lite": {
-      "version": "1.0.30001150",
-      "resolved": "https://registry.npmjs.org/caniuse-lite/-/caniuse-lite-1.0.30001150.tgz",
-      "integrity": "sha512-kiNKvihW0m36UhAFnl7bOAv0i1K1f6wpfVtTF5O5O82XzgtBnb05V0XeV3oZ968vfg2sRNChsHw8ASH2hDfoYQ==",
+      "version": "1.0.30001208",
+      "resolved": "https://registry.npmjs.org/caniuse-lite/-/caniuse-lite-1.0.30001208.tgz",
+      "integrity": "sha512-OE5UE4+nBOro8Dyvv0lfx+SRtfVIOM9uhKqFmJeUbGriqhhStgp1A0OyBpgy3OUF8AhYCT+PVwPC1gMl2ZcQMA==",
       "dev": true
     },
     "capture-exit": {
diff --git a/e2e/__templates__/with-babel-7/package-lock.json b/e2e/__templates__/with-babel-7/package-lock.json
index 478ca9f1a1..56b8b5e63d 100644
--- a/e2e/__templates__/with-babel-7/package-lock.json
+++ b/e2e/__templates__/with-babel-7/package-lock.json
@@ -2112,9 +2112,9 @@
       "dev": true
     },
     "caniuse-lite": {
-      "version": "1.0.30001150",
-      "resolved": "https://registry.npmjs.org/caniuse-lite/-/caniuse-lite-1.0.30001150.tgz",
-      "integrity": "sha512-kiNKvihW0m36UhAFnl7bOAv0i1K1f6wpfVtTF5O5O82XzgtBnb05V0XeV3oZ968vfg2sRNChsHw8ASH2hDfoYQ==",
+      "version": "1.0.30001208",
+      "resolved": "https://registry.npmjs.org/caniuse-lite/-/caniuse-lite-1.0.30001208.tgz",
+      "integrity": "sha512-OE5UE4+nBOro8Dyvv0lfx+SRtfVIOM9uhKqFmJeUbGriqhhStgp1A0OyBpgy3OUF8AhYCT+PVwPC1gMl2ZcQMA==",
       "dev": true
     },
     "capture-exit": {
diff --git a/package.json b/package.json
index 131140d6ed..3774e2c86d 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "ts-jest",
-  "version": "26.5.4",
+  "version": "26.5.5",
   "main": "dist/index.js",
   "types": "dist/index.d.ts",
   "bin": {
diff --git a/src/compiler/language-service.ts b/src/compiler/language-service.ts
index 3f925b3853..bbcadfc2fd 100644
--- a/src/compiler/language-service.ts
+++ b/src/compiler/language-service.ts
@@ -260,9 +260,13 @@ export const initializeLanguageServiceInstance = (configs: ConfigSet, logger: Lo
       }
       /* istanbul ignore next (this should never happen but is kept for security) */
       if (output.emitSkipped) {
-        logger.warn(interpolate(Errors.CannotProcessFile, { file: fileName }))
+        if (TS_TSX_REGEX.test(fileName)) {
+          throw new Error(interpolate(Errors.CannotProcessFile, { file: fileName }))
+        } else {
+          logger.warn(interpolate(Errors.CannotProcessFileReturnOriginal, { file: fileName }))
 
-        return [code, '{}']
+          return [code, '{}']
+        }
       }
       // Throw an error when requiring `.d.ts` files.
       if (!output.outputFiles.length) {
diff --git a/src/utils/messages.ts b/src/utils/messages.ts
index fbde27f389..935aa13de7 100644
--- a/src/utils/messages.ts
+++ b/src/utils/messages.ts
@@ -17,7 +17,8 @@ export const enum Errors {
   GotUnknownFileTypeWithBabel = 'Got a unknown file type to compile (file: {{path}}). To fix this, in your Jest config change the `transform` key which value is `ts-jest` so that it does not match this kind of files anymore. If you still want Babel to process it, add another entry to the `transform` option with value `babel-jest` which key matches this type of files.',
   ConfigNoModuleInterop = 'If you have issues related to imports, you should consider setting `esModuleInterop` to `true` in your TypeScript configuration file (usually `tsconfig.json`). See https://blogs.msdn.microsoft.com/typescript/2018/01/31/announcing-typescript-2-7/#easier-ecmascript-module-interoperability for more information.',
   MismatchNodeTargetMapping = 'There is a mismatch between your NodeJs version {{nodeJsVer}} and your TypeScript target {{compilationTarget}}. This might lead to some unexpected errors when running tests with `ts-jest`. To fix this, you can check https://github.com/microsoft/TypeScript/wiki/Node-Target-Mapping',
-  CannotProcessFile = "Unable to process '{{file}}', falling back to original file content. Please make sure that `outDir` in your tsconfig is neither `''` or `'.'`. You can also configure Jest config option `transformIgnorePatterns` to ignore {{file}} from transformation",
+  CannotProcessFileReturnOriginal = "Unable to process '{{file}}', falling back to original file content. You can also configure Jest config option `transformIgnorePatterns` to ignore {{file}} from transformation or make sure that `outDir` in your tsconfig is neither `''` or `'.'`",
+  CannotProcessFile = "Unable to process '{{file}}', please make sure that `outDir` in your tsconfig is neither `''` or `'.'`. You can also configure Jest config option `transformIgnorePatterns` to inform `ts-jest` to transform {{file}}",
 }
 
 /**