diff --git a/tools/distro-tool b/tools/distro-tool
index 1a0c176abc..0977d43f72 100755
--- a/tools/distro-tool
+++ b/tools/distro-tool
@@ -814,6 +814,7 @@ generate_work_worker() {
         PKG_URL="${PKG_URL/${PKG_VERSION}/${revision}}"
         PKG_SOURCE_NAME="${PKG_SOURCE_NAME/${PKG_VERSION}/${revision}}"
         PKG_VERSION="${revision}"
+        PKG_SHA256=
       fi
 
       PKG_IS_ADDON=No