diff --git a/media-sound/helvum/helvum-0.4.0.ebuild b/media-sound/helvum/helvum-0.4.0.ebuild
index 2efba245bf..821b5f36cd 100644
--- a/media-sound/helvum/helvum-0.4.0.ebuild
+++ b/media-sound/helvum/helvum-0.4.0.ebuild
@@ -113,7 +113,7 @@ CRATES="
 	windows_x86_64_msvc-0.42.1
 "
 
-inherit cargo desktop
+inherit cargo desktop xdg
 
 DESCRIPTION="A GTK patchbay for pipewire"
 HOMEPAGE="https://gitlab.freedesktop.org/pipewire/helvum"
@@ -151,3 +151,8 @@ src_install() {
 
 	make_desktop_entry "${PN}" Helvum org.pipewire.Helvum "AudioVideo;Audio;Video;Midi;Settings;GNOME;GTK" "Terminal=false\nGenericName=Patchbay"
 }
+
+pkg_postinst() {
+	xdg_pkg_postinst
+	xdg_icon_cache_update
+}