diff --git a/mkdocs-website/docs/en/changelog.md b/mkdocs-website/docs/en/changelog.md
index ce1f07c58..c152d61ca 100644
--- a/mkdocs-website/docs/en/changelog.md
+++ b/mkdocs-website/docs/en/changelog.md
@@ -74,6 +74,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Fix doctor detection of npm that is not installed with system package manager by [@pekim](https://github.com/pekim) in [#3458](https://github.com/wailsapp/wails/pull/3458)
 - Fix missing MicrosoftEdgeWebview2Setup.exe. Thanks to [@robin-samuel](https://github.com/robin-samuel).
 - Fix random crash on linux due to window ID handling by @leaanthony. Based on PR [#3466](https://github.com/wailsapp/wails/pull/3622) by [@5aaee9](https://github.com/5aaee9).
+- Fix systemTray.setIcon crashing on Linux by [@windom](https://github.com/windom/) in [#3636](https://github.com/wailsapp/wails/pull/3636).
 
 ### Changed
 
diff --git a/v3/pkg/application/systemtray_linux.go b/v3/pkg/application/systemtray_linux.go
index 3550c5b2f..2a8abfd08 100644
--- a/v3/pkg/application/systemtray_linux.go
+++ b/v3/pkg/application/systemtray_linux.go
@@ -375,7 +375,7 @@ func (s *linuxSystemTray) setIcon(icon []byte) {
 		globalApplication.error("systray error: failed to convert icon to PX: %s\n", err)
 		return
 	}
-	s.props.SetMust("org.kde.StatusNotifierItem", "IconPixmap", iconPx)
+	s.props.SetMust("org.kde.StatusNotifierItem", "IconPixmap", []PX{iconPx})
 
 	if s.conn == nil {
 		return