diff --git a/Makefile b/Makefile
index 5ffe05af3..dd21904aa 100644
--- a/Makefile
+++ b/Makefile
@@ -349,7 +349,7 @@ upgrade-check:
 
 upgrade: upgrade-check clean-pkgdir package
 	@${PKG} delete -fy ${CORE_NAME} || true
-	@${PKG} add ${PKGDIR}/*.${PKG_FORMAT}
+	@${PKG} add ${PKGDIR}/*.pkg
 	@pluginctl webgui
 
 lint-shell: