diff --git a/src/engine.ts b/src/engine.ts
index 7726d03f..6cb51667 100644
--- a/src/engine.ts
+++ b/src/engine.ts
@@ -161,7 +161,8 @@ function handlePipedData(config) {
 			!config.replacementJs &&
 			!config.pipedDataUsed &&
 			config.pipedData &&
-			'\n' !== config.pipedData
+			'\n' !== config.pipedData &&
+			'\r\n' !== config.pipedData
 		) {
 			warn('Data is piped in, but no flag tells what to do with it. It is not used.');
 		}
diff --git a/test/cli/run.sh b/test/cli/run.sh
index 6abf25af..3454688c 100644
--- a/test/cli/run.sh
+++ b/test/cli/run.sh
@@ -302,6 +302,9 @@ assert_failure		"printf x | rexreplace 'o' 'x' my.file -q 2>&1 | grep 'Data is p
 assert_failure		"printf x | rexreplace 'o' 'x' my.file -P 2>&1 | grep 'Data is piped in'"
 assert_failure		"printf x | rexreplace 'b' _ my.file -R 2>&1 | grep 'Data is piped in'"
 assert_failure		"printf x | rexreplace 'b' 'pipe' my.file -j 2>&1 | grep 'Data is piped in'"
+assert_failure		"printf '' | rexreplace 'o' 'x' my.file 2>&1 | grep 'Data is piped in'"
+assert_failure		"printf '\n' | rexreplace 'o' 'x' my.file 2>&1 | grep 'Data is piped in'"
+assert_failure		"printf '\r\n' | rexreplace 'o' 'x' my.file 2>&1 | grep 'Data is piped in'"
 
 
 # RR_VOID_PIPE
diff --git a/test/js/fix/719.test.js b/test/js/fix/719.test.js
index ea46053c..e1cbadd2 100644
--- a/test/js/fix/719.test.js
+++ b/test/js/fix/719.test.js
@@ -36,7 +36,7 @@ describe('#719 a warning when piped data is not used', () => {
 		expect(await Bun.file('my.file').text()).toBe('fooxar');
 	});
 
-	test.each([null, '', '\n'])('is not given when %j is piped in', async (pipedData) => {
+	test.each([null, '', '\n', '\r\n'])('is not given when %j is piped in', async (pipedData) => {
 		expect((await piped({pipedData})).err).toBe('my.file \n');
 	});