diff --git a/meta/recipes-devtools/clang/llvm-project-source.inc b/meta/recipes-devtools/clang/llvm-project-source.inc
index 84d4bae0ab..7cc4e1a9f0 100644
--- a/meta/recipes-devtools/clang/llvm-project-source.inc
+++ b/meta/recipes-devtools/clang/llvm-project-source.inc
@@ -91,4 +91,5 @@ python do_preconfigure() {
 do_patch[vardepsexclude] += "MULTILIBS MULTILIB_VARIANTS"
 addtask do_preconfigure after do_patch
 do_preconfigure[vardeps] += "CLANG_EXTRA_OE_DISTRO CLANG_EXTRA_OE_VENDORS"
+do_unpack[vardeps] += "CLANG_EXTRA_OE_DISTRO CLANG_EXTRA_OE_VENDORS"
 do_create_spdx[depends] += "${PN}:do_preconfigure"