Index: /trunk/src/VBox/Installer/win/Stub/Makefile.kmk
===================================================================
--- /trunk/src/VBox/Installer/win/Stub/Makefile.kmk	(revision 64927)
+++ /trunk/src/VBox/Installer/win/Stub/Makefile.kmk	(revision 64928)
@@ -68,5 +68,5 @@
   endif
   if defined(VBOX_WITH_CORP_CODE_SIGNING) && "$(VBOX_WITH_CORP_CODE_SIGNING)" != "all" && "$(VBOX_SIGNING_MODE)" == "release"
-	$(VBOX_RTSIGNTOOL) extract-exe-signer-cert --signature-index 1 --exe "" --output "$@.cer2" --der
+	$(VBOX_RTSIGNTOOL) extract-exe-signer-cert --signature-index 1 --exe "$(VBOX_RTSIGNTOOL)" --output "$@.cer2" --der
 	$(VBOX_BIN2C) -ascii --append VBoxStubTrustedCert1 "$@.cer2" $@
 	$(APPEND) "$@.array" "    { g_abVBoxStubTrustedCert2, sizeof(g_abVBoxStubTrustedCert2) }, "