diff --git a/CHANGES b/CHANGES
index 43079ec3d..b0818a41f 100644
--- a/CHANGES
+++ b/CHANGES
@@ -20,6 +20,7 @@ Other fixes:
  - Qt: Fix LCDC background priority/enable bit being mis-mapped in I/O view
  - Qt: Fix saving named states breaking when screenshot states disabled (fixes mgba.io/i/3320)
  - Qt: Fix potential crash on Wayland with OpenGL (fixes mgba.io/i/3276)
+ - Qt: Fix installer updates if a version number is in the filename (fixes mgba.io/i/3109)
  - Updater: Fix updating appimage across filesystems
 Misc:
  - Qt: Make window corners square on Windows 11 (fixes mgba.io/i/3285)
diff --git a/src/platform/qt/GBAApp.cpp b/src/platform/qt/GBAApp.cpp
index d53985313..31618c429 100644
--- a/src/platform/qt/GBAApp.cpp
+++ b/src/platform/qt/GBAApp.cpp
@@ -316,7 +316,7 @@ void GBAApp::cleanupAfterUpdate() {
 void GBAApp::restartForUpdate() {
 	QFileInfo updaterPath(m_updater.updateInfo().url.path());
 	QDir configDir(ConfigController::configDir());
-	if (updaterPath.completeSuffix() == "exe") {
+	if (updaterPath.suffix() == "exe") {
 		m_invokeOnExit = configDir.filePath(QLatin1String("update.exe"));
 	} else {
 		QFile updater(":/updater");