diff --git a/packages/compiler-cli/ngcc/src/rendering/renderer.ts b/packages/compiler-cli/ngcc/src/rendering/renderer.ts
index 964c27ec47..9f4d05f3ae 100644
--- a/packages/compiler-cli/ngcc/src/rendering/renderer.ts
+++ b/packages/compiler-cli/ngcc/src/rendering/renderer.ts
@@ -329,8 +329,11 @@ export abstract class Renderer {
    */
   protected renderSourceAndMap(
       sourceFile: ts.SourceFile, input: SourceMapInfo, output: MagicString): FileInfo[] {
-    const outputPath = resolve(this.targetPath, relative(this.sourcePath, sourceFile.fileName));
+    const outputPath = sourceFile.fileName;
     const outputMapPath = `${outputPath}.map`;
+    const relativeSourcePath = basename(outputPath);
+    const relativeMapPath = `${relativeSourcePath}.map`;
+
     const outputMap = output.generateMap({
       source: outputPath,
       includeContent: true,
@@ -339,7 +342,7 @@ export abstract class Renderer {
     });
 
     // we must set this after generation as magic string does "manipulation" on the path
-    outputMap.file = outputPath;
+    outputMap.file = relativeSourcePath;
 
     const mergedMap =
         mergeSourceMaps(input.map && input.map.toObject(), JSON.parse(outputMap.toString()));
@@ -350,7 +353,7 @@ export abstract class Renderer {
     } else {
       result.push({
         path: outputPath,
-        contents: `${output.toString()}\n${generateMapFileComment(outputMapPath)}`
+        contents: `${output.toString()}\n${generateMapFileComment(relativeMapPath)}`
       });
       result.push({path: outputMapPath, contents: mergedMap.toJSON()});
     }
diff --git a/packages/compiler-cli/ngcc/test/rendering/renderer_spec.ts b/packages/compiler-cli/ngcc/test/rendering/renderer_spec.ts
index c933a04894..69efa4bcb9 100644
--- a/packages/compiler-cli/ngcc/test/rendering/renderer_spec.ts
+++ b/packages/compiler-cli/ngcc/test/rendering/renderer_spec.ts
@@ -107,7 +107,7 @@ describe('Renderer', () => {
 
   const OUTPUT_PROGRAM_MAP = fromObject({
     'version': 3,
-    'file': '/dist/file.js',
+    'file': 'file.js',
     'sources': ['/src/file.js'],
     'sourcesContent': [INPUT_PROGRAM.contents],
     'names': [],
@@ -119,7 +119,7 @@ describe('Renderer', () => {
     'sources': ['/src/file.ts'],
     'names': [],
     'mappings': ';;;;;;;;;;AAAA',
-    'file': '/dist/file.js',
+    'file': 'file.js',
     'sourcesContent': [INPUT_PROGRAM.contents]
   });
 
@@ -131,10 +131,10 @@ describe('Renderer', () => {
          const result = renderer.renderProgram(
              decorationAnalyses, switchMarkerAnalyses, privateDeclarationsAnalyses,
              moduleWithProvidersAnalyses);
-         expect(result[0].path).toEqual('/dist/file.js');
+         expect(result[0].path).toEqual('/src/file.js');
          expect(result[0].contents)
-             .toEqual(RENDERED_CONTENTS + '\n' + generateMapFileComment('/dist/file.js.map'));
-         expect(result[1].path).toEqual('/dist/file.js.map');
+             .toEqual(RENDERED_CONTENTS + '\n' + generateMapFileComment('file.js.map'));
+         expect(result[1].path).toEqual('/src/file.js.map');
          expect(result[1].contents).toEqual(OUTPUT_PROGRAM_MAP.toJSON());
        });
 
@@ -237,7 +237,7 @@ A.ngDirectiveDef = ɵngcc0.ɵdefineDirective({ type: A, selectors: [["", "a", ""
            const result = renderer.renderProgram(
                decorationAnalyses, switchMarkerAnalyses, privateDeclarationsAnalyses,
                moduleWithProvidersAnalyses);
-           expect(result[0].path).toEqual('/dist/file.js');
+           expect(result[0].path).toEqual('/src/file.js');
            expect(result[0].contents)
                .toEqual(RENDERED_CONTENTS + '\n' + MERGED_OUTPUT_PROGRAM_MAP.toComment());
            expect(result[1]).toBeUndefined();
@@ -257,10 +257,10 @@ A.ngDirectiveDef = ɵngcc0.ɵdefineDirective({ type: A, selectors: [["", "a", ""
            const result = renderer.renderProgram(
                decorationAnalyses, switchMarkerAnalyses, privateDeclarationsAnalyses,
                moduleWithProvidersAnalyses);
-           expect(result[0].path).toEqual('/dist/file.js');
+           expect(result[0].path).toEqual('/src/file.js');
            expect(result[0].contents)
-               .toEqual(RENDERED_CONTENTS + '\n' + generateMapFileComment('/dist/file.js.map'));
-           expect(result[1].path).toEqual('/dist/file.js.map');
+               .toEqual(RENDERED_CONTENTS + '\n' + generateMapFileComment('file.js.map'));
+           expect(result[1].path).toEqual('/src/file.js.map');
            expect(result[1].contents).toEqual(MERGED_OUTPUT_PROGRAM_MAP.toJSON());
          });
     });