diff --git a/src/util.js b/src/util.js
index 9be630d9..a531db82 100644
--- a/src/util.js
+++ b/src/util.js
@@ -713,8 +713,11 @@ export default {
       const indices = [];
       for (let i = 0; ; i = index) {
         index = bytes.indexOf(LF, i) + 1;
-        if (index && bytes[index - 2] !== CR) indices.push(index);
-        else break;
+        if (index) {
+          if (bytes[index - 2] !== CR) indices.push(index);
+        } else {
+          break;
+        }
       }
       if (!indices.length) {
         return bytes;
diff --git a/test/general/openpgp.js b/test/general/openpgp.js
index 89b036f1..6b8eab1d 100644
--- a/test/general/openpgp.js
+++ b/test/general/openpgp.js
@@ -2487,6 +2487,20 @@ amnR6g==
         expect(data).to.equal('Hello World!');
       });
 
+      it('should normalize newlines in encrypted text message', async function() {
+        const message = openpgp.message.fromText('"BEGIN:VCALENDAR\nVERSION:2.0\nBEGIN:VEVENT\r\nUID:123\r\nDTSTART:20191211T121212Z\r\nDTEND:20191212T121212Z\r\nEND:VEVENT\nEND:VCALENDAR"');
+        const encrypted = await openpgp.encrypt({
+          passwords: 'test',
+          message
+        });
+        const decrypted = await openpgp.decrypt({
+          passwords: 'test',
+          message: await openpgp.message.readArmored(encrypted.data),
+          format: 'binary'
+        });
+        expect(openpgp.util.decode_utf8(decrypted.data)).to.equal('"BEGIN:VCALENDAR\r\nVERSION:2.0\r\nBEGIN:VEVENT\r\nUID:123\r\nDTSTART:20191211T121212Z\r\nDTEND:20191212T121212Z\r\nEND:VEVENT\r\nEND:VCALENDAR"');
+      });
+
     });
 
     describe('Errors', function() {