diff --git a/.github/workflows/nodejs.yml b/.github/workflows/nodejs.yml
index d9c88eef..cb2d82ea 100644
--- a/.github/workflows/nodejs.yml
+++ b/.github/workflows/nodejs.yml
@@ -61,6 +61,10 @@ jobs:
     runs-on: ${{ matrix.os }}
 
     steps:
+      - name: Setup Git
+        if: matrix.os == 'windows-latest'
+        run: git config --global core.autocrlf input
+
       - uses: actions/checkout@v2
 
       - name: Use Node.js ${{ matrix.node-version }}
diff --git a/src/getSassOptions.js b/src/getSassOptions.js
index 9d6d388b..978c6ba4 100644
--- a/src/getSassOptions.js
+++ b/src/getSassOptions.js
@@ -1,4 +1,3 @@
-import os from 'os';
 import path from 'path';
 
 import cloneDeep from 'clone-deep';
@@ -60,8 +59,8 @@ function getSassOptions(loaderContext, loaderOptions, content, implementation) {
 
   options.data = loaderOptions.prependData
     ? typeof loaderOptions.prependData === 'function'
-      ? loaderOptions.prependData(loaderContext) + os.EOL + content
-      : loaderOptions.prependData + os.EOL + content
+      ? `${loaderOptions.prependData(loaderContext)}\n${content}`
+      : `${loaderOptions.prependData}\n${content}`
     : content;
 
   // opt.outputStyle
diff --git a/test/__snapshots__/prependData-option.test.js.snap b/test/__snapshots__/prependData-option.test.js.snap
index b240559a..b6602137 100644
--- a/test/__snapshots__/prependData-option.test.js.snap
+++ b/test/__snapshots__/prependData-option.test.js.snap
@@ -1,5 +1,59 @@
 // Jest Snapshot v1, https://goo.gl/fbAQLP
 
+exports[`prependData option should use same EOL on all os (dart-sass) (sass): css 1`] = `
+"a {
+  color: hotpink;
+}
+
+body {
+  color: hotpink;
+}"
+`;
+
+exports[`prependData option should use same EOL on all os (dart-sass) (sass): errors 1`] = `Array []`;
+
+exports[`prependData option should use same EOL on all os (dart-sass) (sass): warnings 1`] = `Array []`;
+
+exports[`prependData option should use same EOL on all os (dart-sass) (scss): css 1`] = `
+"a {
+  color: red;
+}
+
+body {
+  color: hotpink;
+}"
+`;
+
+exports[`prependData option should use same EOL on all os (dart-sass) (scss): errors 1`] = `Array []`;
+
+exports[`prependData option should use same EOL on all os (dart-sass) (scss): warnings 1`] = `Array []`;
+
+exports[`prependData option should use same EOL on all os (node-sass) (sass): css 1`] = `
+"a {
+  color: hotpink; }
+
+body {
+  color: hotpink; }
+"
+`;
+
+exports[`prependData option should use same EOL on all os (node-sass) (sass): errors 1`] = `Array []`;
+
+exports[`prependData option should use same EOL on all os (node-sass) (sass): warnings 1`] = `Array []`;
+
+exports[`prependData option should use same EOL on all os (node-sass) (scss): css 1`] = `
+"a {
+  color: red; }
+
+body {
+  color: hotpink; }
+"
+`;
+
+exports[`prependData option should use same EOL on all os (node-sass) (scss): errors 1`] = `Array []`;
+
+exports[`prependData option should use same EOL on all os (node-sass) (scss): warnings 1`] = `Array []`;
+
 exports[`prependData option should work with the "data" option as a function (dart-sass) (sass): css 1`] = `
 "body {
   color: hotpink;
diff --git a/test/helpers/getCodeFromSass.js b/test/helpers/getCodeFromSass.js
index 93bc33eb..930afe23 100644
--- a/test/helpers/getCodeFromSass.js
+++ b/test/helpers/getCodeFromSass.js
@@ -1,5 +1,4 @@
 import path from 'path';
-import os from 'os';
 import fs from 'fs';
 
 function getCodeFromSass(testId, options) {
@@ -23,10 +22,7 @@ function getCodeFromSass(testId, options) {
     sassOptions.indentedSyntax = isSass;
     sassOptions.data = `$prepended-data: hotpink${
       sassOptions.indentedSyntax ? '\n' : ';'
-    }${os.EOL}${fs.readFileSync(
-      path.resolve(__dirname, '..', testId),
-      'utf8'
-    )}`;
+    }\n${fs.readFileSync(path.resolve(__dirname, '..', testId), 'utf8')}`;
   } else {
     sassOptions.file = path.resolve(__dirname, '..', testId);
   }
diff --git a/test/prependData-option.test.js b/test/prependData-option.test.js
index 05e83c6f..40ee5a2d 100644
--- a/test/prependData-option.test.js
+++ b/test/prependData-option.test.js
@@ -65,6 +65,30 @@ describe('prependData option', () => {
         expect(getWarnings(stats)).toMatchSnapshot('warnings');
         expect(getErrors(stats)).toMatchSnapshot('errors');
       });
+
+      it(`should use same EOL on all os (${implementationName}) (${syntax})`, async () => {
+        const testId = getTestId('prepending-data', syntax);
+        const prependData =
+          syntax === 'sass'
+            ? `$prepended-data: hotpink
+a
+  color: $prepended-data`
+            : `$prepended-data: hotpink;
+a {
+  color: red;
+}`;
+        const options = {
+          implementation: getImplementationByName(implementationName),
+          prependData,
+        };
+        const compiler = getCompiler(testId, { loader: { options } });
+        const stats = await compile(compiler);
+        const codeFromBundle = getCodeFromBundle(stats, compiler);
+
+        expect(codeFromBundle.css).toMatchSnapshot('css');
+        expect(getWarnings(stats)).toMatchSnapshot('warnings');
+        expect(getErrors(stats)).toMatchSnapshot('errors');
+      });
     });
   });
 });