diff --git a/poky/meta/classes/gio-module-cache.bbclass b/poky/meta/classes/gio-module-cache.bbclass
index e429bd3..021eeb1 100644
--- a/poky/meta/classes/gio-module-cache.bbclass
+++ b/poky/meta/classes/gio-module-cache.bbclass
@@ -17,22 +17,22 @@
 fi
 }
 
-python populate_packages_append () {
+python populate_packages:append () {
     packages = d.getVar('GIO_MODULE_PACKAGES').split()
 
     for pkg in packages:
         bb.note("adding gio-module-cache postinst and postrm scripts to %s" % pkg)
 
-        postinst = d.getVar('pkg_postinst_%s' % pkg)
+        postinst = d.getVar('pkg_postinst:%s' % pkg)
         if not postinst:
             postinst = '#!/bin/sh\n'
         postinst += d.getVar('gio_module_cache_common')
-        d.setVar('pkg_postinst_%s' % pkg, postinst)
+        d.setVar('pkg_postinst:%s' % pkg, postinst)
 
-        postrm = d.getVar('pkg_postrm_%s' % pkg)
+        postrm = d.getVar('pkg_postrm:%s' % pkg)
         if not postrm:
             postrm = '#!/bin/sh\n'
         postrm += d.getVar('gio_module_cache_common')
-        d.setVar('pkg_postrm_%s' % pkg, postrm)
+        d.setVar('pkg_postrm:%s' % pkg, postrm)
 }