--- libxfce4ui-4.12.1/icons/Makefile.in	2015-03-15 23:44:47.000000000 +0530
+++ libxfce4ui/icons/Makefile.in	2019-02-02 11:34:20.143610388 +0530
@@ -387,7 +387,7 @@
 SUBDIRS = \
 	48x48
 
-gtk_update_icon_cache = gtk-update-icon-cache -f -t $(datadir)/icons/hicolor
+gtk_update_icon_cache = true
 all: all-recursive
 
 .SUFFIXES:
