diff --git a/poky/scripts/postinst-intercepts/update_gtk_icon_cache b/poky/scripts/postinst-intercepts/update_gtk_icon_cache
index 99367a2..a92bd84 100644
--- a/poky/scripts/postinst-intercepts/update_gtk_icon_cache
+++ b/poky/scripts/postinst-intercepts/update_gtk_icon_cache
@@ -11,7 +11,11 @@
 
 for icondir in $D/usr/share/icons/*/ ; do
     if [ -d $icondir ] ; then
-        gtk-update-icon-cache -fqt  $icondir
+        for gtkuic_cmd in gtk-update-icon-cache gtk4-update-icon-cache ; do
+            if [ -n "$(which $gtkuic_cmd)" ]; then
+                $gtkuic_cmd -fqt  $icondir
+            fi
+        done
     fi
 done