diff --git a/packages/rules-typescript/src/node-modules-reference-detector.ts b/packages/rules-typescript/src/node-modules-reference-detector.ts
index dd2fc166..14e1a2c0 100644
--- a/packages/rules-typescript/src/node-modules-reference-detector.ts
+++ b/packages/rules-typescript/src/node-modules-reference-detector.ts
@@ -49,20 +49,22 @@ export class NodeModulesReferenceDetector implements PackageRule {
 
   getParsedSourceLines(sourceFile: SourceFile): SourceLineAndLineNumber[] {
     const parsedSourceLines: SourceLineAndLineNumber[] = [];
+    let lineNumber = 1;
     sourceFile.forEachChild(n => {
-      const lineNumber = sourceFile.getLineAndCharacterOfPosition(n.pos).line;
+      const totalLines = n.getFullText().split(/\r?\n/).length;
+      lineNumber = lineNumber + totalLines - 1;
       const trimmedNodeText = n.getFullText().trim();
       const multiLineCommentsRemovedText = trimmedNodeText
         .split(MULTI_LINE_COMMENT_REGEXP)
         .map(n => n && n.trim())
         .filter(n => n)
-        .join("");
+        .join('\r\n');
       const singleLineCommentsRemovedText = multiLineCommentsRemovedText
         .split(SINGLE_LINE_COMMENT_REGEXP)
         .map(n => n && n.trim())
         .filter(n => n)
-        .join("");
-      parsedSourceLines.push({ line: singleLineCommentsRemovedText, lineNumber });
+        .join('\r\n');
+      parsedSourceLines.push({ line: singleLineCommentsRemovedText, lineNumber: lineNumber });
     });
     return parsedSourceLines;
   }
diff --git a/packages/rules-typescript/src/tests/node-modules-reference-detector.test.ts b/packages/rules-typescript/src/tests/node-modules-reference-detector.test.ts
index 671c0a8c..97846dc4 100644
--- a/packages/rules-typescript/src/tests/node-modules-reference-detector.test.ts
+++ b/packages/rules-typescript/src/tests/node-modules-reference-detector.test.ts
@@ -1,7 +1,7 @@
 import * as assert from "assert";
 import baretest from "baretest";
 import { NodeModulesReferenceDetector } from "../node-modules-reference-detector";
-import { asBollDirectory, getSourceFile, Package, ResultStatus } from "@boll/core";
+import { asBollDirectory, getSourceFile, Package, ResultStatus, Failure } from "@boll/core";
 import { inFixtureDir } from "@boll/test-internal";
 
 export const test: any = baretest("Node modules reference detector");
@@ -23,8 +23,12 @@ test("Should fail if references to node_modules exist in source code", async ()
     const result = await sut.check(
       await getSourceFile(asBollDirectory("."), "node-modules-reference.ts", new Package({}, {}))
     );
+    const failure = result[0] as Failure;
+    const failure1 = result[1] as Failure;
     assert.strictEqual(2, result.length);
     assert.strictEqual(ResultStatus.failure, result[0].status);
     assert.strictEqual(ResultStatus.failure, result[1].status);
+    assert.strictEqual(1, failure.line);
+    assert.strictEqual(5, failure1.line);
   });
 });