diff --git a/src/irc.ts b/src/irc.ts
index 54ba55ac..7ba3e1ab 100644
--- a/src/irc.ts
+++ b/src/irc.ts
@@ -1407,9 +1407,11 @@ export class Client extends EventEmitter {
         if (typeof text === 'undefined') {
             return;
         }
-        await Promise.all(text.toString().split(/\r?\n/).filter((line) =>
-            line.length > 0
-        ).map((line) => this.say(channel, '\u0001ACTION ' + line + '\u0001')));
+        await Promise.all(
+            this._splitMessage(
+                channel + '\u0001ACTION ' + '\u0001', text
+            ).map((line) => this.say(channel, '\u0001ACTION ' + line + '\u0001'))
+        );
     }
 
     // E.g. isUserPrefixMorePowerfulThan("@", "&")
@@ -1441,7 +1443,7 @@ export class Client extends EventEmitter {
         if (!text) {
             return [];
         }
-        return text.toString().split(/\r?\n/).filter((line) => line.length > 0)
+        return text.toString().split(/\r\n|\r|\n/).filter((line) => line.length > 0)
             .map((line) => splitLongLines(line, maxLength))
             .reduce((a, b) => a.concat(b), []);
     }
diff --git a/test/test-split-messages.js b/test/test-split-messages.js
new file mode 100644
index 00000000..366ed290
--- /dev/null
+++ b/test/test-split-messages.js
@@ -0,0 +1,10 @@
+const { Client } = require('../lib/irc');
+const test = require('tape');
+
+test('irc.Client.getSplitMessages', function(t) {
+    const client = new Client('localhost', 'test', { autoConnect: false });
+    t.deepEqual(client.getSplitMessages('#chan', 'foo\nbar\nbaz'),     ['foo', 'bar', 'baz']);
+    t.deepEqual(client.getSplitMessages('#chan', 'foo\r\nbar\r\nbaz'), ['foo', 'bar', 'baz']);
+    t.deepEqual(client.getSplitMessages('#chan', 'foo\rbar\rbaz'),     ['foo', 'bar', 'baz']);
+    t.end();
+});