diff --git a/src/lib/writers/ResultsWriter.ts b/src/lib/writers/ResultsWriter.ts
index 0f6acf073..fd16b4806 100644
--- a/src/lib/writers/ResultsWriter.ts
+++ b/src/lib/writers/ResultsWriter.ts
@@ -35,7 +35,7 @@ export class ResultsFileWriter implements ResultsWriter {
 		} else if (['.html', '.htm'].includes(ext)) {
 			this.format = OutputFormat.HTML;
 		} else if (ext === '.sarif' || file.toLowerCase().endsWith('.sarif.json')) {
-			throw new Error('TODO: Support SARIF-type output');
+			this.format = OutputFormat.SARIF;''
 		// Check for `.json` AFTER checking for `.sarif.json`!
 		} else if (ext === '.json') {
 			this.format = OutputFormat.JSON;
diff --git a/test/lib/writers/ResultsWriter.test.ts b/test/lib/writers/ResultsWriter.test.ts
index b8f2ca632..a8f9fb9a0 100644
--- a/test/lib/writers/ResultsWriter.test.ts
+++ b/test/lib/writers/ResultsWriter.test.ts
@@ -23,8 +23,8 @@ describe('ResultsWriter implementations', () => {
 			{ext: '.html', expectedOutput: `Results formatted as ${OutputFormat.HTML}`},
 			{ext: '.htm', expectedOutput: `Results formatted as ${OutputFormat.HTML}`},
 			{ext: '.json', expectedOutput: `Results formatted as ${OutputFormat.JSON}`},
-			//{ext: '.sarif', expectedOutput: `Results formatted as ${OutputFormat.SARIF}`},
-			//{ext: '.sarif.json', expectedOutput: `Results formatted as ${OutputFormat.SARIF}`},
+			{ext: '.sarif', expectedOutput: `Results formatted as ${OutputFormat.SARIF}`},
+			{ext: '.sarif.json', expectedOutput: `Results formatted as ${OutputFormat.SARIF}`},
 			{ext: '.xml', expectedOutput: `Results formatted as ${OutputFormat.XML}`}
 		])('Accepts and outputs valid file format: *$ext', ({ext, expectedOutput}) => {
 			const validFile = `beep${ext}`;