diff --git a/src/mumble/TextToSpeech_macx.cpp b/src/mumble/TextToSpeech_macx.cpp
index eb9abec8a..6ccfd0fe6 100644
--- a/src/mumble/TextToSpeech_macx.cpp
+++ b/src/mumble/TextToSpeech_macx.cpp
@@ -118,11 +118,8 @@ TextToSpeech::TextToSpeech(QObject *) {
 	 * http://lists.apple.com/archives/speech-dev/2005/Aug/msg00000.html
 	 */
 
-	if (Gestalt(gestaltSystemVersion, &MacVersion) != noErr) {
-		return;
-	}
-
-	if ((MacVersion & 0xfff0) == 0x1040) {
+	int version = qMacVersion();
+	if (version != QSysInfo::MV_Unknown && version < QSysInfo::MV_LEOPARD) {
 		qWarning("Mac OS X 10.4 (Tiger) detected. Disabling Text-to-Speech because of a buggy implementation in 10.4.");
 		return;
 	}