diff --git a/yocto-poky/meta/classes/package_ipk.bbclass b/yocto-poky/meta/classes/package_ipk.bbclass
index 4dd7a7e..f1ad1d5 100644
--- a/yocto-poky/meta/classes/package_ipk.bbclass
+++ b/yocto-poky/meta/classes/package_ipk.bbclass
@@ -10,7 +10,7 @@
 # Program to be used to build opkg packages
 OPKGBUILDCMD ??= "opkg-build"
 
-OPKG_ARGS = "--force_postinstall --prefer-arch-to-version"
+OPKG_ARGS += "--force_postinstall --prefer-arch-to-version"
 OPKG_ARGS += "${@['', '--no-install-recommends'][d.getVar("NO_RECOMMENDATIONS", True) == "1"]}"
 OPKG_ARGS += "${@['', '--add-exclude ' + ' --add-exclude '.join((d.getVar('PACKAGE_EXCLUDE', True) or "").split())][(d.getVar("PACKAGE_EXCLUDE", True) or "") != ""]}"
 
@@ -246,6 +246,11 @@
             bb.utils.unlockfile(lf)
             raise bb.build.FuncFailed("opkg-build execution failed")
 
+        if d.getVar('IPK_SIGN_PACKAGES', True) == '1':
+            ipkver = "%s-%s" % (d.getVar('PKGV', True), d.getVar('PKGR', True))
+            ipk_to_sign = "%s/%s_%s_%s.ipk" % (pkgoutdir, pkgname, ipkver, d.getVar('PACKAGE_ARCH', True))
+            sign_ipk(d, ipk_to_sign)
+
         cleanupcontrol(root)
         bb.utils.unlockfile(lf)